Chocolate Silk Pie
["1 baked pie shell", "3 eggs", "2 sticks butter or margarine", "2 c. confectioners sugar", "9 Tbsp. cocoa", "1 tsp. vanilla", "3 Tbsp. butter or margarine"]
["Cream together 2 sticks butter and confectioners sugar; add the cocoa, vanilla and 3 tablespoons butter.", "Add 1 whole egg and beat 5 minutes.", "Add second egg and beat 5 minutes.", "Add third egg and beat 5 minutes.", "Put in crust and chill.", "Serve with Cool Whip."]
["shell", "eggs", "butter", "confectioners sugar", "cocoa", "vanilla", "butter"]