Eloise'S Chocolate Pie
["2 pie shells, uncooked", "2 c. sugar", "2 tsp. vanilla", "1/2 c. cocoa (unsweetened)", "4 eggs", "1 can Pet milk", "1 stick butter or margarine"]
["Preheat oven to 350\u00b0.", "Mix all above ingredients (except pie shells of course).", "Melt the butter; mix well.", "Pour into pie shells.", "Bake approximately 45 minutes and you have two delicious chocolate pies.", "You may serve with Cool Whip, if desired."]
["pie shells", "sugar", "vanilla", "cocoa", "eggs", "Pet milk", "butter"]