Tempering Chocolate for a Clean Snap
You are creating a crystalline structure. When you work with chocolate correctly, it shrinks slightly as it sets, making it release easily from molds and maintain a smooth, professional sheen.
Control the heat, control the result.
Avoid any moisture; a single drop of water will cause your chocolate to seize into a grainy, unusable mass. Keep your workspace cool and dry.
- heavy-bottomed saucepan
- heat-safe glass bowl
- digital instant-read thermometer
- silicone spatula
What goes in.
- 1 lbhigh-quality couverture chocolate (callets or finely chopped bars)
Controlled Crystallization
By adding unmelted chocolate to your melted base, you introduce stable seed crystals that force the rest of the liquid chocolate to align into the same structure.
The method.
Melt
Place two-thirds of the chocolate in a heat-safe bowl over a saucepan of barely simmering water. Do not let the bowl touch the water. Stir constantly until the temperature reaches 115°F (46°C) for dark chocolate or 110°F (43°C) for milk chocolate.
Seed
Remove the bowl from the heat. Gradually stir in the remaining one-third of the chocolate. The cool chocolate will lower the temperature and encourage the formation of stable crystals.
Monitor
Keep stirring until the temperature drops to 88°F–90°F (31°C–32°C) for dark, or 84°F–86°F (29°C–30°C) for milk. The texture will thicken slightly and lose its watery sheen.
Test
Dip the tip of a knife into the chocolate and set it aside for two minutes. If it sets with a streak-free, glossy finish, it is tempered.
When it doesn't go to plan.
If your chocolate cools below the working temperature before you finish, gently warm it over the steam for only five seconds at a time.
Always chop your chocolate into uniform pieces so it melts evenly.
If the chocolate turns dull or grey as it sets, it was not tempered correctly and must be melted down to start again.
The ones that keep coming up.
Why does my chocolate look grey?
The grey streaks, or bloom, indicate that the cocoa butter has separated and recrystallized on the surface because the chocolate was not properly tempered.
Can I use chocolate chips from the store?
Standard chocolate chips contain stabilizers that prevent them from melting properly; use couverture chocolate for best results.
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