Ingredients
2 large egg yolks, at room temperature
1 pound bittersweet or semisweet chocolate (no more than 62% cacao), coarsely chopped
10 tablespoons (5 ounces) unsalted butter, cut into small pieces
1/8 teaspoon salt, preferably fine sea salt
1/3 cup (1 ounce) unsweetened cocoa powder, preferably natural, or as needed
Preparation