1 c. butter
4 eggs
2 c. sugar
1/2 c. flour
1/2 c. coca
2 tsp. vanilla
1- 8-inch prebaked pie shell

Melt butter. Beat eggs and sugar slightly. Stir in butter, flour, cocoa and vanilla. Blend well. Pour into pie shell.

Bake 350°F for 30 to 40 minutes till firm.