9-inch pie shell
1 stick butter
1/2 c. instant cocoa, sweetened
1/4 c. flour
2 c. milk
Cool Whip

Melt butter in saucepan until it bubbles. Add flour and cocoa. Mixture will be pasty. Add milk, then stir until thickened and pour into baked pie shell. Let cool. Top with Cool Whip. Serve.