Temper Chocolate | Seeding Method

Tempering chocolate is a foundational skill in the pastry kitchen, essential for achieving the professional glossy finish, clean snap, and structural stability required for high-end chocolate work. In this masterclass, pastry chef Brittnee Kay demonstrates the seeding method—a highly reliable, neat, and accessible technique for tempering chocolate without the space requirements of a traditional marble slab. This approach is highly versatile, suited to small-scale kitchen production using a double boiler, or scaled up for professional chocolate warming tanks.\n\n## The Mechanics of Seeding\nThe seeding method relies on introducing pre-tempered chocolate (the "seeds") to a melted pool of chocolate. By heating a portion of your chocolate to fully melt all existing fat crystals, you create a liquid canvas. Introducing approximately 20% of unmelted, tempered chocolate back into this warm pool serves two critical purposes: it rapidly lowers the temperature of the melted mass and introduces stable Beta crystals. These stable crystals act as a template, encouraging the rest of the melted cocoa butter to crystallise in the correct structure as it cools. For best results, use high-quality couverture chocolate, which contains a higher percentage of cocoa butter, ensuring superior fluidity and shine.\n\n## Temperature Control and the Temper Test\nAchieving precision requires reliable monitoring tools, such as an infrared thermometer or a highly accurate digital probe. After melting your primary chocolate mass, the unmelted seed is gradually stirred in. Continuous, gentle agitation is essential during this cooling phase to distribute the stable crystals evenly and prevent hot spots. Once the chocolate reaches its working temperature and the seeds have fully dissolved, executing a temper test is critical before committing to molds. Dip a clean offset spatula or a strip of parchment paper into the chocolate. A correctly tempered batch will set within a couple of minutes at room temperature, showing a dry, satin-like matte or glossy finish with no streaks or tackiness. If it remains wet or streak-prone, the crystalline structure is unstable, and you must re-temper.