Delicious Chocolate Pie - cooking recipe

Ingredients

1 1/4 c. Pet milk
3/4 c. water
3 egg yolks
1 1/3 c. sugar
1/2 c. flour
4 heaping Tbsp. cocoa
2 Tbsp. margarine
1 Tbsp. vanilla
dash of salt

Preparation

Mix dry ingredients.
Add liquids and eggs except margarine and vanilla.
Cook until thick.
Add margarine and vanilla after thickening.
Pour into baked pie shell.
Add Cool Whip or meringue for topping.