Cooked Icing - cooking recipe

Ingredients

3/4 c. white sugar
1 stick butter
1 tsp. vanilla
1/2 c. evaporated condensed milk

Preparation

Place ingredients in a pan; cook until mixture separates from sides of pan, approximately 2 to 5 minutes.
Stir constantly to prevent scorching.
Cool about 5 minutes and pour over cake.
Do not spread.