Chocolate Pie - cooking recipe

Ingredients

1/2 c. cocoa
1 1/2 c. sugar
1/2 c. flour or 1/4 c. cornstarch
3 eggs, separated
2 tsp. vanilla
2 c. milk
1/4 tsp. salt

Preparation

Mix cocoa, flour, yolks of eggs, salt and milk.
Cook until thick.
Add flavoring and pour into baked pie crust.