#1 Heat oven to 350°F. Spray bottom and sides of 13x9-inch pan with cooking spray #2 In large bowl, mix cookie mix, oil, water and egg with spoon until soft dough forms. Press dough in bottom of pan. Bake 15 minutes #3 In small bowl, mix condensed milk and peanut butter. Pour evenly over baked crust, carefully spreading to edges. Sprinkle chopped peanut butter cups, chocolate chips, peanut butter chips and peanuts evenly over top. Bake 18 to 22 minutes or until bubbling along edges. Cool completely on cooling rack, about 1 hour. Cut into 6 rows by 4 rows.