Chocolate Chess pie

1 1/2 cups sugar
5 tablespoons cocoa powder
2 tablespoons all-purpose flour
1/4 teaspoon salt
1/2 cup evaporated milk
3 large eggs, room temperature
1/3 cup unsalted butter, softened
1 teaspoon vanilla
1 partially 9-inch baked pie crust

Preheat oven to 325*F degrees.
Combine sugar, cocoa, flour, and salt.
Blend in milk.
Beat in eggs 1 at a time.
Add butter and vanilla, beat until smooth.
Pour into pre-baked pie shell.
Bake in 325* oven for 55-60 minutes 

Cool the pie completely before topping with whipped cream.

The pie can be eaten immediately or it can be refrigerated.
Enjoy!