Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
1 c. milk
2 1/2 Tbsp. cocoa
3 Tbsp. cornstarch
1/2 stick margarine
2 eggs, separated
vanilla to taste
1 pie shell, baked

Preparation

Mix sugar, cocoa, cornstarch, margarine and vanilla. Gradually add milk and 2 egg yolks.
Bring to slow boil in saucepan, stirring constantly until thickened.
Pour in baked pie shell.