3 lg. eggs, separated
2 heaping tbsp. flour
2 tbsp. Hershey's cocoa
1 c. sugar
2 c. milk
1/2 tsp. vanilla
1 tbsp. butter
1 baked pastry shell

Mix egg yolks, flour, sugar, cocoa, milk and butter together. Stir until smooth, then cook, stirring constantly, until thick. Add vanilla and pour into baked pastry shell; cover with stiffly beaten meringue. Bake in oven until brown.