Chocolate Pie - cooking recipe

Ingredients

1 1/2 c. sugar
3 Tbsp. cocoa
1 heaping Tbsp. flour
pinch of salt
3 egg yolks
1 1/2 c. evaporated milk
1/2 stick margarine

Preparation

Sift together sugar, cocoa, flour and salt.
Mix eggs and milk in heavy saucepan.
Gradually add the flour mixture.
Cook over medium heat until thick.
Pour in baked pie shell.
Let cool.