Chocolate Pie - cooking recipe

Ingredients

1/3 c. self-rising flour
1 c. sugar
3 egg yolks, beaten
2 Tbsp. cocoa
2 c. milk
1 tsp. vanilla
butter
3 egg whites
1 baked pie shell
4 Tbsp. sugar

Preparation

Mix together first
5 ingredients and cook until thick.
Add a lump of butter and 1 teaspoon vanilla.
Pour into baked pie shell. Beat egg whites on high; add 4 tablespoons of sugar.
Spread on pie.