1 c. sugar
1 tbsp. cornstarch
1 tbsp. cocoa
1 c. milk or water
1 tbsp. butter
1 tsp. vanilla

Mix sugar, cornstarch, and cocoa thoroughly in heavy pan. Add water (or milk if prefer a lighter chocolate taste). Stir and put on medium-high heat until it boils. Lower heat and simmer for 1 minute. Add butter and vanilla and stir. May be microwaved in large quart bowl until boils. Good hot or cold. Excellent over cake and ice cream.