Chocolate Pie - cooking recipe

Ingredients

3/4 c. sugar
1 1/2 c. milk
1 heaping Tbsp. cocoa
4 Tbsp. flour
vanilla
dash of salt
gob of butter
3 egg yolks

Preparation

Mix sugar, flour, cocoa and salt together. Add milk.
Heat cocoa mixture and milk until warm.
Beat egg yolks a little.
Add a little of heated cocoa mixture.
Pour back into cocoa mixture. Cook until thick and add butter and vanilla.
Pour in baked pie shell and add margarine.