Chocolate Gravy - cooking recipe

Ingredients

2 Tbsp. cocoa
4 tsp. flour
3/4 c. sugar
2 c. milk
1 tsp. vanilla
1/2 stick butter or margarine

Preparation

Put butter and milk in a heavy saucepan over low heat. Combine cocoa, flour and sugar.
Add to milk mixture.
Stir constantly until it thickens.
Add vanilla.