Build the bar
decision by decision

Makers inspect incoming beans for moisture, defects, size and contamination. Sorting removes stones, debris and unacceptable beans. Roasting reduces moisture, loosens shells, lowers microbial load and drives reactions that develop aroma. The ideal profile depends on bean size, composition, post-harvest character and the style the maker wants.

Roasted beans are cracked and separated by airflow. Dense nibs fall differently from light shell. Incomplete winnowing can add papery flavor, grit and food-safety concerns; aggressive separation can throw away usable nib and reduce yield.

Cacao nibs contain substantial cocoa butter. Grinding ruptures cells and releases that fat, turning dry-looking particles into cocoa mass. Sugar, milk ingredients and extra cocoa butter may be added according to the recipe. Refining reduces solid particles until the chocolate feels smooth rather than gritty.

Smaller is not endlessly better. Particle size distribution changes viscosity, sweetness perception, melt and aroma release. Over-processing can waste energy, make flow difficult or mute a profile. Different machines combine grinding, refining and mixing in different sequences.

During conching, mixing, shear, heat and aeration change how dry particles are coated by fat and how volatile compounds leave the chocolate. Moisture falls, flow changes and sharp acids can become less prominent. The machine, load, temperature program and additions matter as much as the number of hours.

A short conche is not necessarily crude; a long conche is not necessarily refined. Too little development can leave rough flow or an unintegrated acid profile. Too much can flatten desirable fruit and floral aromatics. The target is the maker’s chosen balance.

Cocoa butter can crystallize in several arrangements. Chocolate makers guide crystallization through controlled heating, cooling and agitation, usually seeking a stable form that gives dark chocolate gloss, contraction, clean snap and a melt near body temperature.

Tempered chocolate is deposited into molds, vibrated to release air and cooled on a controlled curve. Packaging then protects it from moisture, oxygen, odors, light, heat and physical damage. A dull or bloomed bar may be safe but sensorially compromised; temper is a structure signal, not proof of fine flavor or ethical sourcing.