Frosting - cooking recipe

Ingredients

1 heaping Tbsp. cornstarch
1 c. milk
1/2 lb. butter
1 c. granulated sugar
1 tsp. vanilla

Preparation

Cook the cornstarch and milk until thick, stirring constantly. Cool.
Beat the butter until creamy.
Add sugar and vanilla.
The mixture will be grainy until you add the cornstarch mixture.
Add the cornstarch mixture; beat until smooth and fluffy.