Old Fashioned Cooked Chocolate Frosting - cooking recipe

Ingredients

2 1/4 c. sugar
8 Tbsp. cocoa
1 egg
1/4 tsp. salt
10 Tbsp. milk
1 tsp. vanilla
1 lump butter (about 1/2 stick)

Preparation

Cook!
Bring mixture to full boil and allow to cook for a few minutes, stirring constantly.