3 tbsp. butter
1 c. sugar
1/4 c. flour
1 well beaten egg
1 1/4 c. milk
1 pkg. Choco Bake
1 tsp. vanilla
8 inch baked pie shell

Melt butter. Add sugar. Stir in flour until smooth. Add egg, milk and chocolate; stir together. Cook over medium to low heat until thick, stirring constantly. Remove from heat. Add vanilla. Cool and pour into 8 inch baked pie shell. Refrigerate. Serve with Cool Whip.