Chocolate Pie - cooking recipe

Ingredients

2 Tbsp. cocoa
2 Tbsp. cornstarch
1 c. sugar
2 egg yolks
2 c. milk
1 tsp vanilla
1 tsp. butter or oleo
1 baked pie shell, cooled

Preparation

Mix cocoa, cornstarch, sugar, egg yolks and milk and cook until thick.
Remove from heat and add vanilla, and butter; stir and pour into a baked pie shell.