Evangeline'S Chocolate Chess Pie
["1/2 c. butter or margarine, melted", "1 1/2 c. sugar", "3 Tbsp. cocoa", "1 1/2 Tbsp. flour", "2 eggs", "3/4 c. milk", "1 tsp. vanilla"]
["Mix well all ingredients.", "Pour into unbaked 9 inch pie shell.", "Bake at 375\u00b0 for 30 to 40 minutes."]
["butter", "sugar", "cocoa", "flour", "eggs", "milk", "vanilla"]