1/2 cup butter
1/2 cup superfine sugar
1 cup self-rising flour
2 teaspoons cocoa powder
1 teaspoon baking soda
Preheat oven to 350 degrees F (175 degrees C). Grease 6 cups in a muffin pan.
Cream together butter and sugar in a mixing bowl. Mix in eggs. Add flour, cocoa powder, and baking soda and blend thoroughly. Spoon batter into muffin cups.
Bake 15 to 20 minutes, or until a toothpick inserted into the center comes out clean. Cool and decorate.