Texas Hot Fudge Frosting - cooking recipe

Ingredients

1 stick butter (1/2 c.)
6 Tbsp. milk
4 Tbsp. cocoa
1 (16 oz.) box powdered sugar

Preparation

In a saucepan, melt butter over medium heat. Add cocoa and bring to a quick boil.
Remove from heat.
Add milk and bring to a boil again.
Remove from heat.
Add powdered sugar, about a third at a time and stir vigorously after each addition, until mixed thoroughly (it will be thick).
Spread immediately on cake.