Combine butter, cola, and cocoa in a heavy saucepan; bring to a boil, stirring constantly. Remove from heat; stir in sugar and vanilla. Yield: 1-1/4 cups.
Ingredients
1/2 c Butter or margarine
1/4 c Cola-flavored carbonated beverage
3 tb Cocoa
3 c Powdered sugar; sifted
1 ts Vanilla extract