Chocolate Pie - cooking recipe

Ingredients

3 egg yolks (reserve whites)
1 1/2 c. sugar
2 c. milk
4 Tbsp. flour
4 Tbsp. cocoa

Preparation

Mix sugar, flour, cocoa, eggs and milk.
Cook until thick. Pour into already cooked pie crust.
Beat egg whites with 4 tablespoons sugar. Pour over pies and bake until brown.