Chocolate Fudge - cooking recipe

Ingredients

2 c. sugar
4 Tbsp. cocoa
1/2 c. milk
1 Tbsp. butter
1 Tbsp. vinegar
1 tsp. vanilla

Preparation

Mix sugar, cocoa and milk.
Cook slowly and add butter when it starts to boil.
Cook until a soft-ball forms in cold water. Add vinegar.
Remove from heat.
Add vanilla and beat until it begins to thicken.
Pour into buttered Pyrex dish.
Let cool. Cut, then eat.