Mom'S Chocolate Pie - cooking recipe

Ingredients

1 1/3 c. sugar
3 Tbsp. cocoa
3 egg yolks
1 tsp. vanilla
1 (9-inch) pie shell, cooked
1/2 c. flour
1 (12 oz.) can evaporated milk with enough water to make 2 c. liquid
1/2 stick margarine, melted

Preparation

Mix sugar, flour, cocoa and milk together in a large saucepan. As mixture begins to simmer, add egg yolks.
Cook on medium heat until mixture thickens.
Remove from heat.
Add flavoring and margarine.
Pour into cooked pie shell.
Cover with meringue.