Chocolate Pie - cooking recipe

Ingredients

4 egg yolks
1 c. milk
1 c. sugar
1 heaping Tbsp. flour
3 Tbsp. cocoa
1 Tbsp. butter
1 baked pie shell

Preparation

Mix yolks and milk.
Combine flour, sugar and cocoa.
Pour all into top of double boiler.
Cook, stirring constantly,
to keep from lumping.
Cook until very thick.
Pour into baked shell.
Use whites from eggs to make meringue.