- 4 (1 ounce) squares semisweet chocolate, chopped
- 1/2 cup butter
- 3/4 cup white sugar
- 1/2 cup cocoa powder
- 3 eggs, beaten
- 1 teaspoon vanilla extract
- Preheat oven to 300 degrees F (150 degrees C). Grease an 8 inch round cake pan, and dust with cocoa powder.
- In the top of a double boiler over lightly simmering water, melt chocolate and butter. Remove from heat, and stir in sugar, cocoa powder, eggs, and vanilla. Pour into prepared pan.
- Bake in preheated oven for 30 minutes. Let cool in pan for 10 minutes, then turn out onto a wire rack and cool completely. Slices can also be reheated for 20 to 30 seconds in the microwave before serving.