| Cocoa Bean Preparation | Cleaning and foreign-material removal | Cleaning units, sieves, magnets, aspiration systems | Removes stones, dust, metal particles, and other contaminants before roasting | Foreign-material detection and bean-size separation | Cocoa liquor, cocoa butter, and cocoa powder production |
| Roasting | Thermal treatment of cocoa beans or nibs | Batch or continuous roasters | Develops cocoa flavor, reduces moisture, and improves microbial control | Time, temperature, moisture, and airflow | Dark, milk, and white chocolate ingredients |
| Winnowing | Removal of cocoa shell | Crackers, nib separators, and air-classification systems | Separates cocoa nibs from shells after roasting | Shell content and nib recovery rate | Cocoa liquor and nib-based products |
| Grinding and Liquor Production | Size reduction of cocoa nibs | Nibs grinders, pre-grinders, and refining mills | Converts nibs into a fluid cocoa mass known as cocoa liquor | Particle size, temperature, viscosity, and fat release | Chocolate recipes, cocoa butter extraction, and cocoa powder processing |
| Pressing and Powder Processing | Separation of cocoa butter and cocoa solids | Hydraulic cocoa presses, cake breakers, and powder mills | Produces cocoa butter and cocoa powder with controlled fat content | Residual fat percentage, powder fineness, and bulk density | Bakery, beverage, confectionery, and dairy applications |
| Ingredient Mixing | Blending of cocoa, sugar, milk solids, and fats | Batch mixers, continuous mixers, and dosing systems | Creates a uniform chocolate mass according to the product formulation | Recipe accuracy, mixing time, and mass temperature | Bars, pralines, coatings, fillings, and compound products |
| Refining | Particle-size reduction | Five-roll refiners and alternative refining mills | Reduces sugar and cocoa particles to create a smoother mouthfeel | Particle-size distribution and product consistency | Premium chocolate, filled products, and couverture-style products |
| Conching | Flavor development and moisture reduction | Longitudinal or rotary conches | Improves flavor, viscosity, texture, and aroma through controlled agitation and aeration | Time, temperature, airflow, moisture, and viscosity | Dark, milk, and white chocolate production |
| Tempering | Controlled crystallization of cocoa butter | Continuous or batch tempering machines | Forms stable cocoa-butter crystals for gloss, snap, and demolding performance | Temperature profile and crystal formation | Molded bars, pralines, enrobed centers, and decorations |
| Molding and Depositing | Forming liquid chocolate into defined shapes | Chocolate depositors, molds, vibrating tables, and cooling tunnels | Produces consistent solid or filled chocolate pieces | Deposit weight, mold temperature, cooling profile, and demolding quality | Bars, tablets, pralines, seasonal shapes, and inclusions |
| Enrobing | Coating centers with chocolate | Enrobing lines, wire belts, chocolate curtains, and cooling tunnels | Applies a controlled chocolate layer around biscuits, wafers, bars, or fillings | Coating weight, belt speed, viscosity, and cooling temperature | Biscuits, wafers, snack bars, fruits, nuts, and confectionery centers |
| Filling and One-Shot Production | Simultaneous depositing of shell and filling | One-shot depositors, filling tanks, and temperature-controlled pipelines | Creates filled chocolates with controlled shell thickness and filling volume | Filling ratio, viscosity, temperature, and allergen separation | Cream centers, ganache-style fillings, caramel, and nut-based fillings |
| Cooling and Setting | Controlled solidification | Cooling tunnels, refrigerated rooms, and humidity-control systems | Sets chocolate without excessive condensation, bloom, or deformation | Air temperature, relative humidity, residence time, and product-core temperature | Molded, enrobed, and filled chocolate products |
| Packaging and End-of-Line Handling | Wrapping, cartoning, inspection, and case packing | Flow wrappers, foil wrappers, cartoners, checkweighers, and metal detectors | Protects products from oxygen, moisture, light, contamination, and mechanical damage | Seal integrity, net weight, coding accuracy, and foreign-body detection | Retail packs, food-service formats, export cartons, and multipacks |
| Automation and Plant Utilities | Process integration and facility support | PLC or SCADA controls, clean-in-place systems, compressed air, chilled water, and heat-transfer systems | Maintains stable production, traceability, sanitation, and energy management | OEE, batch records, temperature logging, sanitation verification, and utility consumption | Small-batch, medium-scale, and high-throughput chocolate plants |