Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
4 Tbsp. cocoa (level)
4 Tbsp. flour (level)
3 egg yolks
1/4 stick margarine
1 1/4 c. sweet milk
1 tsp. vanilla
1 (9-inch) pie shell, baked

Preparation

Combine sugar, cocoa, flour and 1/4 cup milk.
Mix well and add eggs and remaining milk, butter and vanilla.
Cook in a double boiler until thick.