//Preheat oven to 350°F. Lightly grease 9x9x2-inch pan.
//In medium bowl, stir together butter and egg. Add Krusteaz Double Peanut Butter Cookie Mix and stir together until dough forms, hand kneading if necessary. Press dough into prepared pan. Sprinkle with chocolate chips, lightly pressing into dough.
//Bake 22-28 minutes. Cool completely before cutting into bars.