Ingredients

12 ounces bittersweet chocolate, cut into small pieces 

8 tablespoons (1 stick) unsalted butter 

Preparation

Combine chocolate and butter in the top of a double boiler or in a heatproof bowl, set over a saucepan of simmering water. Heat, stirring occasionally, until well combined, and serve. (or store in an airtight container, refrigerated, up to a week, and warm before serving).