Zettie'S Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
2 Tbsp. cocoa
2 Tbsp. cornstarch
2 c. milk (or 1 c. Pet milk and 1 c. water)
2 egg yolks
1 tsp. vanilla
a little butter
1 baked pie shell

Preparation

Mix first 3 ingredients.
Add milk.
Cook until good and hot. Beat egg yolks and add to mixture.
Cook slowly, stirring constantly, until thick.
Add vanilla and a little butter.
Stir. Pour into baked pie shell and chill.