Mississippi Mud Pie
["1 chocolate ready-made pie crust", "1 (8 oz.) pkg. cream cheese, softened", "1/2 c. mayonnaise (not salad dressing)", "1/2 c. sugar", "2 eggs", "1 (6 oz.) pkg. semi-sweet chocolate chips, melted", "1 tsp. vanilla"]
["In a large bowl with mixer at medium speed, beat cream cheese and mayonnaise until smooth; gradually beat in sugar.", "Beat in eggs, one at a time; beat in chocolate and vanilla until smooth. Pour into pie crust.", "Place on cookie sheet.", "Bake in 350\u00b0 oven 30 to 35 minutes or until set (when silver knife inserted in center comes out clean).", "Chill 4 hours.", "Serve with whipped topping if desired."]
["chocolate ready", "cream cheese", "mayonnaise", "sugar", "eggs", "semi-sweet chocolate chips", "vanilla"]