Creamy Chocolate Frosting - cooking recipe

Ingredients

1/2 c. butter or margarine
1/2 c. cocoa
1/4 tsp. salt
3 Tbsp. milk
4 3/4 c. confectioners sugar
2 egg yolks
1 tsp. vanilla

Preparation

Sift sugar and cocoa.
Add egg yolks and salt.
Cream until thoroughly blended.
Stir in vanilla and milk.
Cream until of spreading consistency.
Frost cooled cake.