Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
2 c. milk
3 Tbsp. cocoa
4 Tbsp. flour
3 Tbsp. butter
3 eggs, separated
1 deep dish pie crust

Preparation

Bake the pie crust and let it cool.
Mix the sugar, cocoa, salt, flour, milk and egg yolks in heavy saucepan.
Cook on low heat until thick.
Remove from heat.
Add butter and pour into the pie crust.