Peanut Butter Crispy Bars

STEP 1
Preheat oven to 350°F. Lightly grease 13x9x2-inch baking pan.
STEP 2
For Cookie Layer: In medium bowl, stir together Krusteaz Double Peanut Butter Cookie Mix, butter and egg until well blended. Press evenly into prepared pan.
STEP 3
Bake 15-20 minutes or until center is set. Immediately sprinkle chocolate chips on hot crust. While crust is baking prepare crispy cereal layer.
STEP 4
For Crispy Cereal Layer: Place cereal in large bowl. In medium saucepan, heat marshmallows, peanut butter and butter on low heat; stir until melted and smooth. Pour over cereal; toss until well coated. Immediately top warm crust and chocolate layer with cereal mixture. Let cool completely; drizzle top with melted chocolate, if desired.