1 cup sugar
1/3 cup cocoa
1/4 cup milk
1/4 cup butter or margarine
1 tsp vanilla
Mix sugar, cocoa and milk to gether over medium heat. Heat until mixture boils stirring constantly.
Add butter and vanilla - stir until butter melts and all ingredients have blended. Cool slightly.
Cover top of remaining graham crackers with chocolate (Chocolate Eclair Cake).