2 tbsp. flour
2 tbsp. cornstarch
1/2 tsp. salt
1/2 c. sugar
3 tbsp. cocoa
2 c. milk
2 eggs, separated
1 tsp. vanilla

Blend together flour, cornstarch, salt and sugar. Add cocoa and milk. Cook until thickened, stirring constantly. Add slightly beaten egg yolks. (To prevent lumping, first blend a little of the hot mixture with the egg yolks.) Cook 1 minute longer. Add vanilla. Pour into baked pie shell. Cover with meringue and return to 325 degree oven to brown.