Chocolate Pie - cooking recipe

Ingredients

2 Tbsp. cocoa
2 Tbsp. flour
1 c. sugar
1 1/2 c. milk
3 eggs, separated
2 Tbsp. butter
1 tsp. vanilla
1 baked pie shell

Preparation

Sift cocoa, flour and sugar together.
Mix well.
Add milk and egg yolks.
(Set egg whites aside for meringue.)