Butter Cream Frosting

Ingredients:

1/2 cup solid vegetable shortening 
1/2 cup butter or margarine, softened
1 tsp vanilla
4 cups sifted icing sugar
2 tbsp milk

Directions:

1. In a large bowl, beat shortening and butter with electric mixer until light and fluffy. Beat in vanilla. 
2. Gradually add sugar, one cup at a time, beating well on medium speed. Scrape the sides and bottom of bowl often. When all sugar has been mixed in, icing will appear dry.
3. Gradually add milk, beat at medium speed until light and fluffy.