Chocolate Pie - cooking recipe

Ingredients

1 chocolate Oreo pie crust
1 1/2 c. sugar
1/4 tsp. salt
2 1/2 c. milk
1 tsp. vanilla
1/2 c. cocoa
3 Tbsp. cornstarch
3 egg yolks, beaten
2 Tbsp. butter or margarine

Preparation

Combine sugar, cornstarch, salt and cocoa.
Stir milk in gradually.
Cook in double boiler until thick.
Stir in beaten egg yolks, butter and vanilla.
Cook 5 minutes longer.
Pour in pie crust.
When cooled and ready to eat, top with Cool Whip.