Butter Cream Frosting - cooking recipe

Ingredients

1/2 c. butter or margarine
1/8 tsp. salt
1 lb. unsifted confectioners sugar
2 Tbsp. (about) milk
1 egg or 2 egg yolks
1 tsp. vanilla

Preparation

Cream butter and salt; gradually add part of the sugar, blending well after each addition.
Stir in egg and vanilla.
Add remaining sugar alternately with milk.
Serve on your favorite cake.