Chocolate Cream Pie - cooking recipe

Ingredients

1 1/2 c. sugar
3 Tbsp. flour
3 Tbsp. cornstarch
1/3 c. cocoa minus 1 tsp.
3 c. milk
3 egg yolks, slightly beaten
1 Tbsp. butter
1 1/2 tsp. vanilla

Preparation

Mix sugar, flour, cornstarch and cocoa in saucepan or double boiler.
Gradually stir in milk.
Cook over medium heat, stirring constantly, until mixture thickens and boils.
Boil 1 minute. Remove from heat.
Gradually stir at least half of hot mixture into egg yolks that have been beaten.
Then blend into hot mixture in double boiler.
Boil 1 minute, stirring constantly, until mixture is thickened.
Blend in butter and vanilla.
Pour into a 9-inch baked pie shell.
Top with meringue or Cool Whip.