Diabetic-Peanut Butter Pie
["16 graham crackers or 6 oz. cereal, crumbled", "2 Tbsp. diet margarine", "6 oz. Weight Watchers cream cheese", "8 Tbsp. chunky peanut butter", "2 Tbsp. skim milk", "artificial sweetener equal to 3/4 c. sugar", "1 pkg. low calorie whipped topping"]
["Crust:", "Melt margarine and mix with cracker or cereal crumbs. Pat into bottom of 9-inch pan.", "Bake at 350\u00b0 for 10 minutes.", "Let crust cool at room temperature."]
["crackers", "margarine", "cream cheese", "chunky peanut butter", "milk", "equal"]