Peanut Butter Chocolate Dessert
["20 chocolate cream-filled chocolate sandwich cookies, divided", "2 Tbsp. butter or margarine, melted", "1 (8 oz.) pkg. cream cheese, softened", "1/2 c. peanut butter", "1 1/2 c. confectioners sugar, divided", "1 (16 oz.) carton frozen whipped topping, thawed and divided", "15 miniature peanut butter cups, chopped", "1 c. cold milk", "1 (3.9 oz.) pkg. instant chocolate fudge pudding mix"]
["Crush 16 cookies; toss with the butter. Press into the bottom of an ungreased 9-inch square dish."]
["chocolate cream", "butter", "cream cheese", "peanut butter", "confectioners sugar", "frozen whipped topping", "peanut butter", "cold milk", "instant chocolate"]