Chocolate is made through an 8-step process that begins on a cocoa farm and ends in a factory: harvesting cocoa pods, fermenting the beans, drying, grading and exporting, roasting, winnowing and grinding, pressing, and finally mixing, conching, and tempering into finished chocolate. The entire journey can take several months and involves precise craftsmanship at every stage.
The key ingredients in chocolate are cocoa mass (cocoa liquor), cocoa butter, and sugar. Milk powder is added for milk chocolate; white chocolate uses only cocoa butter, sugar, and milk. The quality of the finished product depends overwhelmingly on decisions made at origin: how the beans are fermented, how long they are dried, and what grade they achieve before export.
A standard 100g bar of dark chocolate (70 to 85% cocoa) contains approximately 600 kcal, 43g fat, 46g carbohydrates, and 11g protein, and is rich in iron, magnesium, copper, and manganese. Dark chocolate is also one of the most antioxidant-dense foods on earth, with flavanols shown to support cardiovascular health, reduce inflammation, and improve cognitive function.
The 8 Steps of the Chocolate Making Process
- 1 Harvesting: Cocoa pods are hand-cut from the tree at peak ripeness
- 2 Fermentation: Beans ferment in pulp for 5 to 7 days, developing flavour precursors
- 3 Drying: Beans are sun-dried to below 7.5% moisture for safe storage and transport
- 4 Grading and Export: Beans are quality-tested, graded, bagged, and shipped to manufacturers
- 5 Roasting: Heat unlocks hundreds of flavour compounds through the Maillard reaction
- 6 Winnowing and Grinding: Shells are removed; nibs are ground into liquid cocoa mass
- 7 Pressing: Cocoa mass is hydraulically pressed to separate cocoa butter from cocoa powder
- 8 Mixing, Conching and Tempering: Ingredients are combined, refined, and precision-cooled into chocolate
Nutritional Content of Chocolate: All Types Compared (per 100g)
The nutritional profile of chocolate varies significantly depending on its cocoa content, sugar level, and whether it contains milk. The table below compares the five main types side by side so you can understand exactly what you are consuming or formulating with.
| Nutrient | Extra Dark 85 to 100% cocoa |
Dark Chocolate 70 to 85% cocoa |
Milk Chocolate 25 to 45% cocoa |
White Chocolate No cocoa solids |
Ruby Chocolate 33 to 47% cocoa |
|---|---|---|---|---|---|
| Calories (kcal) | 620 | 598 | 535 | 539 | 520 |
| Total Fat (g) | 49 | 43 | 30 | 32 | 30 |
| Saturated Fat (g) | 29 | 25 | 18 | 20 | 18 |
| Carbohydrates (g) | 32 | 46 | 60 | 59 | 58 |
| of which Sugars (g) | 14 | 24 | 52 | 58 | 50 |
| Protein (g) | 13 | 11 | 8 | 6 | 7 |
| Dietary Fibre (g) | 16 | 11 | 3 | 0 | 2 |
| Iron (% RDI) | 80% | 67% | 25% | 3% | 18% |
| Magnesium (% RDI) | 71% | 58% | 16% | 5% | 12% |
| Copper (% RDI) | 100% | 89% | 30% | 4% | 22% |
| Calcium (% RDI) | 4% | 6% | 22% | 28% | 18% |
| Flavanol Content | Very High | High | Moderate | None | Moderate |
| Cocoa Content | 85 to 100% | 70 to 85% | 25 to 45% | 0% solids | 33 to 47% |
Source: USDA FoodData Central and manufacturer average data. Values are approximate per 100g serving and vary by brand, origin, and recipe. RDI = Recommended Daily Intake based on a 2,000 kcal diet. Dark chocolate column (highlighted) refers to 70 to 85% cocoa dark chocolate.
1 Harvesting Cocoa Pods
Every chocolate bar begins its life as a cocoa pod, a large, football-shaped fruit growing directly from the trunk and main branches of the Theobroma cacao tree. Translated from Latin, Theobroma means “food of the gods,” and once you understand what it takes to turn these pods into chocolate, the name feels entirely appropriate.
When Cocoa Trees Fruit: The Harvest Calendar
Cocoa trees in West Africa produce two harvesting cycles per year. The main crop harvest runs from October through March and accounts for approximately 70 to 80% of annual production. This harvest yields the highest quality beans with the most fully developed flavour profiles. The mid-crop harvest occurs between May and August, lighter in volume and sometimes slightly lower in grade, but still commercially valuable.
Cocoa trees typically begin fruiting at three to five years of age and can remain productive for up to 30 years under good agricultural management. A single tree produces roughly 20 to 30 pods per year, with each pod containing 30 to 50 individual cocoa beans nestled inside a sweet white pulp.
How Pods Are Harvested
Harvesting is an entirely manual process. Skilled farmers use sharp machetes or specially designed long-handled knives to cut each pod cleanly from the tree without damaging the bark or the delicate floral cushions that produce future pods. Timing is critical: pods harvested too early contain under-ripe beans with insufficient sugars for proper fermentation; pods left too long on the tree begin to over-ripen or develop mould.
Why Timing Is Very Critical for Chocolate Flavour
The sugar content of the white pulp surrounding the beans is the fuel for fermentation, the next and most critical step. Under-ripe pods have less pulp sugar, which results in weak fermentation, flat flavour, and an excess of purple (under-fermented) beans. Properly timed harvest is the first link in the quality chain that determines whether your cocoa produces world-class chocolate or a flat, unremarkable product.
2 Fermentation: The Flavour Foundation
If you ask any master chocolatier what separates exceptional chocolate from ordinary chocolate, the answer is nearly always the same: fermentation. This single biological process, conducted by microorganisms and not machines, is responsible for developing the hundreds of chemical compounds that give chocolate its depth, complexity, and warmth. Without proper fermentation, even the finest roasting and conching in the world cannot rescue a flat, astringent chocolate.
How Fermentation of Cocoa Beans Works
After pods are harvested, they are opened and the wet beans, covered in white pulp, are piled into wooden fermentation boxes or heaped under banana leaves. The process unfolds in two distinct phases:
The Two Phases of Cocoa Fermentation
- Phase 1: Anaerobic (Days 1 to 2). With no oxygen present, wild yeasts (primarily Saccharomyces cerevisiae) break down the sugars in the pulp, producing ethanol and CO2. Internal temperatures rise to 30 to 35 degrees Celsius. The embryo inside the bean begins to die, a critical step that allows flavour precursor compounds to be released from the cellular structures within the bean.
- Phase 2: Aerobic (Days 3 to 7). As beans are turned to introduce oxygen, lactic acid bacteria give way to acetic acid bacteria (Acetobacter). Ethanol is oxidised into acetic acid, which penetrates the bean and triggers a cascade of chemical reactions. Maillard precursors, amino acids, and reducing sugars are formed. These are the raw materials that roasting will later transform into chocolate flavour.
The Impact of Poor Fermentation
Under-fermented beans produce chocolate that tastes flat, excessively bitter, and astringent, lacking the warmth and complexity that makes great chocolate recognisable. Over-fermented beans develop off-flavours: excessive acidity, mould notes, or a hammy, unpleasant taste. The window for ideal fermentation is precise, typically 5 to 7 days, turned every 48 hours to ensure even aeration.
How Radad Ensures Proper Fermentation in Nigerian Cocoa
3 Drying the Beans
Once fermentation is complete, the beans still contain approximately 55 to 60% moisture, far too high for safe storage, transport, or processing. Drying reduces moisture content to below 7.5%, the international standard that prevents mould growth and ensures the beans can be shipped safely across ocean trade routes that may take three to four weeks.
Sun-Drying vs. Mechanical Drying
| Method | Process | Duration | Effect on Flavour | Typical Use |
|---|---|---|---|---|
| Sun-Drying | Beans spread on raised drying beds, turned regularly | 7 to 14 days | Preferred: slow drying preserves delicate aromatic compounds | West Africa (standard practice) |
| Mechanical Drying | Forced hot air at controlled temperature | 24 to 72 hours | Risk of smoky off-flavours if temperature too high | Regions with high rainfall or limited sun |
4 Quality Grading and Export
Before a single bag leaves West Africa, the beans must be evaluated, graded, and documented. Quality grading determines the price a seller can command, the buyers they can access, and whether the beans meet the specification requirements of chocolate manufacturers worldwide.
The Cut Test: The Industry Standard
The definitive method for assessing cocoa bean quality is the cut test, as defined by the ICCO. A sample of 300 beans is cut lengthwise and each half inspected visually. The proportion of fully brown (well-fermented), purple (under-fermented), slate (severely under-fermented), mouldy, insect-damaged, and germinated beans determines the grade:
| Bean Appearance | What It Means | Grade 1 Tolerance |
|---|---|---|
| Brown interior | Well-fermented: ideal quality | Target 75% or above |
| Purple interior | Under-fermented: lower chocolate flavour development | Maximum 20% |
| Slate grey interior | Severely under-fermented or defective | Maximum 3% |
| Mouldy interior | Moisture damage: unsafe for food use | Maximum 3% |
| Insect-damaged | Pest infestation: quality and safety risk | Maximum 3% |
| Germinated | Bean has sprouted: compromised flavour | Maximum 3% |
Beans that pass the Grade 1 cut test are packed into new 60kg jute bags, weighed, labelled with origin and lot details, and loaded into shipping containers alongside a full documentation pack: Certificate of Origin, Phytosanitary Certificate, Quality Certificate issued by a third party such as SGS or Bureau Veritas, fumigation certificate, commercial invoice, and packing list.
5 Roasting
When the beans arrive at a chocolate manufacturing facility, the first step is roasting. It is here that the raw potential locked inside each fermented bean is finally released. Roasting is the primary flavour-development stage of the chocolate manufacturing process.
How Roasting Unlocks Chocolate Flavour: The Maillard Reaction
The flavour transformation during roasting is driven by the Maillard reaction, a complex series of chemical reactions between the amino acids and reducing sugars formed during fermentation. When heated, these compounds react to produce hundreds of new flavour molecules, including pyrazines (nutty, roasted notes), aldehydes (fruity), and esters (floral). No fermentation means no precursors; no precursors means no flavour.
Roasting Temperature and Its Effect on Flavour
| Roast Level | Temperature Range | Duration | Resulting Flavour | Best For |
|---|---|---|---|---|
| Light Roast | 110 to 120°C | 20 to 30 min | Bright, fruity, acidic, floral | Single-origin, fine chocolate |
| Medium Roast | 120 to 135°C | 20 to 25 min | Balanced chocolate, nutty undertones | Premium dark and milk chocolate |
| Dark Roast | 135 to 150°C | 15 to 20 min | Bold, bitter, smoky, intense | Industrial chocolate, cocoa powder |
6 Winnowing and Grinding
After roasting, the beans move through a cracker and winnower, a machine that cracks the brittle outer shell of each bean and uses a controlled blast of air to separate the lightweight shell fragments from the heavier bean pieces inside. What remains after winnowing is called cocoa nibs, the pure, roasted cocoa bean without its shell.
From Nibs to Cocoa Mass
Cocoa nibs are approximately 50 to 55% fat (cocoa butter). When they are ground in a stone or ball mill, the intense friction and heat generated by the process melts the fat, transforming the solid nibs into a thick, dark, flowing liquid known as cocoa mass, also called cocoa liquor or cocoa paste. Despite the name, cocoa liquor contains no alcohol; “liquor” simply refers to its liquid state.
Cocoa mass at this stage is intensely flavourful but also bitter, unsweetened, and very high in fat. It is the foundation material from which all chocolate products are built, and also the source of both cocoa butter and cocoa powder.
7 Pressing: Separating Cocoa Butter and Cocoa Powder
Not all cocoa mass becomes chocolate. A significant portion of the world’s cocoa mass is hydraulically pressed to separate its two key components: the fat (cocoa butter) and the dry solids (cocoa cake). This pressing step is what enables the production of both cocoa butter and cocoa powder as distinct industrial ingredients.
The Hydraulic Pressing Process
Liquid cocoa mass is loaded into a hydraulic press that applies enormous pressure, up to 400 to 500 bar. The fat (cocoa butter) is squeezed out through fine filters and collected as a pale yellow, edible fat with a delicate cocoa aroma. What remains in the press is a dry, brown cake of concentrated cocoa solids containing around 10 to 24% residual fat depending on how thoroughly the press is applied.
This cocoa cake is then cooled, broken up, and finely ground into cocoa powder. Depending on whether it is further treated with an alkali agent (potassium carbonate), it becomes either natural cocoa powder (acidic, lighter brown, fruity) or alkalized Dutch-process cocoa powder (neutral pH, deeper colour, milder flavour), the form most widely used in the food industry for beverages, baked goods, coatings, and ice cream.
8 Mixing, Conching and Tempering
The final stage of the chocolate manufacturing process brings all the ingredients together and transforms them through precise mixing, prolonged agitation, and controlled temperature manipulation into the smooth, glossy, snapping chocolate that ends up in your hands.
Mixing the Chocolate Recipe
The precise recipe varies by chocolate type. For dark chocolate, the core combination is cocoa mass, cocoa butter, sugar, lecithin (as an emulsifier), and vanilla. Milk chocolate adds whole or skim milk powder to that base. White chocolate uses only cocoa butter, no cocoa mass at all, combined with sugar, milk powder, and vanilla.
The mixture at this stage is coarse and gritty. It passes through a series of refiners and roll mills that reduce the particle size of sugar and cocoa solids to below 20 microns, small enough that the human tongue cannot detect individual particles, creating the perception of smoothness.
What Is Conching in Chocolate?
Conching is one of the most important and least understood steps in chocolate manufacturing. Invented by Rodolphe Lindt in 1879, conching involves placing the refined chocolate mass into a large vessel called a conche, where it is continuously stirred, folded, and aerated at controlled temperatures for anywhere from a few hours to 72 hours or more.
During conching, several things happen simultaneously: residual moisture evaporates (reducing bitterness), acetic acid and other volatile off-flavours drive off, cocoa butter coats every particle evenly (creating lubricity and mouthfeel), and the flavour profile rounds out and deepens. The longer and more carefully a chocolate is conched, the smoother and more complex its flavour becomes.
The Chocolate Tempering Process
Tempering is the final and most technically demanding step. Cocoa butter is a polymorphic fat — it can crystallise into six different molecular structures (Forms I through VI) depending on how it cools. Only Form V crystals produce the properties we associate with high-quality chocolate: the glossy surface, the satisfying snap when broken, and the clean melt on the tongue at just below body temperature.
The Chocolate Tempering Temperature Curve (Dark Chocolate)
- Stage 1: Melt. Chocolate is heated to 45 to 50 degrees Celsius, fully melting all crystal structures. No crystals remain.
- Stage 2: Cool and Seed. Temperature is reduced to 27 to 28 degrees Celsius. Form V crystals begin to form alongside less-stable Forms III and IV.
- Stage 3: Working Temperature. Chocolate is rewarmed slightly to 31 to 32 degrees Celsius, selectively melting the unstable forms while preserving the Form V crystals. The chocolate is now correctly tempered and ready for moulding or enrobing.
Incorrectly tempered chocolate blooms: the fat or sugar migrates to the surface, creating a dull, grey-white streaky appearance. While still safe to eat, bloomed chocolate is commercially unacceptable and is a clear sign of poor temperature control during this final stage of the bean-to-bar process.
Types of Chocolate: A Complete Guide
Not all chocolate is the same. The type of chocolate produced depends entirely on how cocoa’s three core components, cocoa mass, cocoa butter, and cocoa powder, are combined with other ingredients. Here is a breakdown of every major chocolate type, what goes into it, and what it is best used for.
Cocoa content: 85% to 100%. Very little or no added sugar. Intense, complex, and slightly bitter flavour. Almost no milk.
Best for: Health-conscious consumers, professional pastry applications, and single-origin flavour showcasing.
Cocoa content: 55% to 84%. Ingredients: cocoa mass, cocoa butter, sugar, lecithin, and vanilla. No milk solids. Rich, bold chocolate flavour with varying degrees of bitterness.
Best for: Baking, confectionery, ganaches, and everyday premium eating. The most nutritionally rich of the mainstream types.
Cocoa content: 25% to 45%. Ingredients: cocoa mass, cocoa butter, sugar, whole or skim milk powder, and lecithin. Sweeter, creamier, and milder than dark chocolate.
Best for: Mass-market confectionery, moulded bars, coatings, and products targeting a broad consumer audience.
Cocoa content: 0% cocoa mass (but contains cocoa butter). Ingredients: cocoa butter, sugar, milk powder, and vanilla. Ivory coloured, sweet, creamy, and buttery.
Best for: Desserts, ganaches, fruit pairings, and decoration. Often divisive: technically chocolate by ingredient but contains no cocoa solids.
Cocoa content: 33 to 47% (varies). Developed by Barry Callebaut in 2017 from specially processed ruby cocoa beans. Naturally pink-red colour, fruity and slightly tart flavour with no added colouring or fruit flavouring.
Best for: Premium confectionery, novelty products, and visual-led dessert applications.
Cocoa content: Varies. Replaces dairy milk with oat milk, almond milk, coconut milk, or rice milk powder. Dark chocolate is naturally vegan when it contains no milk.
Best for: The fast-growing plant-based and allergen-free food market. A significant category for food manufacturers in 2025.
How Radad International Supports Your Chocolate: From Farm to Export
The journey we have described depends entirely on what happens in the first four steps. Everything that makes great chocolate possible is decided at origin: the timing of the harvest, the quality of fermentation, the care of the drying, and the rigour of the grading before export. This is precisely where Radad International operates, and where our quality control makes a measurable difference to the chocolate that reaches your customers.
- Direct Farm Sourcing in Nigeria. We source directly from farmer cooperatives across Nigeria’s cocoa belt, eliminating multiple layers of intermediaries. This means better pricing, full traceability, and accountability at every level of the supply chain.
- Fermentation Quality Control. Our farmer partners follow strict fermentation protocols aligned with ICCO Grade 1 standards. Every lot is cut-tested before acceptance. We do not export under-fermented beans.
- Third-Party Pre-Shipment Inspection. Every bulk shipment is independently inspected and certified for quality, moisture, and weight before loading. You receive the full documentation pack with every order.
- Full Product Range for Manufacturers. Beyond whole beans, Radad supplies raw cocoa nibs, cocoa mass (liquor), and alkalized cocoa powder, giving chocolate manufacturers and food ingredient buyers a single trusted source for multiple cocoa inputs.
- EUDR-Ready and Fully Traceable. For EU buyers, we provide geolocation data, farm-level traceability, and Due Diligence Statement support to ensure full compliance with 2025 regulations.
Frequently Asked Questions
Here are answers to the most common questions people ask about how chocolate is made, what goes into it, and how to source quality cocoa.
The full bean-to-bar process takes anywhere from several weeks to several months depending on where each stage occurs. On the farm, harvesting, fermentation (5 to 7 days), and sun-drying (7 to 14 days) alone take approximately three weeks. Ocean shipping from West Africa to a European or North American factory adds another 3 to 4 weeks. In the factory, roasting, grinding, refining, and conching can take an additional 1 to 5 days depending on the quality level. In total, from farm harvest to finished bar, the journey typically spans 6 to 10 weeks minimum.
Most master chocolatiers and cocoa scientists agree: fermentation is the single most important step in the entire chocolate making process. This is the stage where the flavour precursors that become chocolate are formed. Without proper fermentation, no amount of skilled roasting, conching, or tempering can create truly great chocolate. The quality and duration of fermentation at origin, on the farm in West Africa, is the foundation of every exceptional bar.
Conching is a prolonged mixing and aeration process in which refined chocolate is stirred continuously in a machine called a conche, typically for between 8 and 72 hours. During conching, residual moisture and volatile off-flavours (such as acetic acid from fermentation) are driven off, cocoa butter evenly coats all particles for a smooth mouthfeel, and the flavour rounds out and deepens. Longer conching generally produces smoother, more complex chocolate. Budget mass-market chocolate is often conched for just a few hours, while premium artisan chocolate may be conched for several days.
Chocolate must be tempered because cocoa butter is a polymorphic fat, meaning it can form six different crystal structures as it cools. Only one of those structures, known as Form V, produces the properties we want in finished chocolate: a glossy surface, a firm snap when broken, and a clean melt on the tongue. Tempering is the process of guiding the chocolate through a precise heating and cooling sequence to ensure Form V crystals form and the less-stable forms are eliminated. Untempered chocolate develops a dull, grey, streaky appearance called “bloom” and has a soft, crumbly texture.
Botanically, both words refer to the same plant: Theobroma cacao. In everyday and commercial usage, cacao typically refers to the bean in its raw or minimally processed state, including raw cacao nibs and raw cacao powder. Cocoa refers to the roasted and processed product, including cocoa powder, cocoa mass, and cocoa butter. In the health food industry, raw cacao products are marketed as having higher flavanol and enzyme content than roasted cocoa, though the practical nutritional difference for most people is modest.
Over 75% of the world’s cocoa is grown in West Africa. Ivory Coast (Cote d’Ivoire) is the world’s largest producer, supplying approximately 40% of global output. Ghana is the second-largest producer at around 15 to 20%. Nigeria is the third-largest and one of the fastest-growing in terms of export quality, with a growing reputation for bold, well-fermented Forastero beans. Other significant producers include Cameroon, Tanzania, Ecuador, and Indonesia. Radad International sources exclusively from Nigeria, one of Africa’s most underappreciated cocoa origins.
Dark chocolate, particularly varieties with 70% or higher cocoa content, is genuinely nutritious. It is one of the richest food sources of flavanols, plant-based antioxidants associated with improved blood flow, lower blood pressure, and reduced risk of cardiovascular disease. It is also a meaningful source of iron (67% of the daily recommended intake per 100g), magnesium (58%), copper (89%), and dietary fibre. That said, dark chocolate is also calorie-dense at around 600 kcal per 100g and should be consumed in moderation as part of a balanced diet. The healthiest dark chocolate is minimally processed and high in cocoa content.
Cocoa mass (also called cocoa liquor or cocoa paste) is the pure, ground product of roasted and winnowed cocoa nibs. It is approximately 50 to 55% fat (cocoa butter) and is used directly in chocolate manufacturing. Cocoa powder is produced by hydraulically pressing cocoa mass to remove most of the cocoa butter, leaving behind a dry cake that is then ground into powder. The key difference is fat content: cocoa mass is rich in fat while cocoa powder has had most of it removed. Radad International supplies both cocoa mass and alkalized cocoa powder in bulk for food manufacturers.
Conclusion: The Remarkable Journey from Bean to Bar
Making chocolate is one of the most complex food processes in the world. Eight distinct stages, each requiring specific expertise, precise timing, and careful quality control, transform a raw tropical fruit into one of humanity’s most beloved foods. Here is the full journey, distilled:
- It starts on a farm, where a skilled farmer hand-harvests each cocoa pod at precisely the right moment of ripeness
- Fermentation, driven by wild microorganisms, develops the irreplaceable chemical precursors that become chocolate flavour under heat
- Careful sun-drying locks in that quality and prepares the beans for the global supply chain
- Rigorous grading and documented export ensures only the best beans reach manufacturers
- Roasting unlocks those fermentation-built flavour compounds through the Maillard reaction
- Winnowing and grinding transform solid beans into the flowing cocoa mass that is the core of all chocolate
- Hydraulic pressing splits that mass into cocoa butter and cocoa powder, two distinct ingredients used across food, beauty, and pharmaceutical industries
- Mixing, conching, and tempering combine art and science to create a chocolate with perfect texture, flavour, and appearance
The takeaway for anyone in the chocolate supply chain: quality at origin is everything. The best conching and tempering in the world cannot rescue beans that were poorly fermented or carelessly dried. Partner with a cocoa exporter who understands and controls quality at the source, and your chocolate will reflect it in every bite.