Are you looking for an easy potluck dessert that everyone will love? These Peanut Butter Caramel Bars have sweet peanut butter cups added to the cake mix with a layer of caramel and crunchy peanuts topped with rich chocolate icing tastes like a Snickers Bar on top. We can not stop eating these!
Grease 13 x 9-inch pan. Heat oven to 350 degrees. In a large bowl, combine cake mix, margarine, egg and chopped peanut butter cups. Mix well and press into greased pan. Bake at 350 degrees for 18 to 22 minutes.
Just before cookies are done baking use a saucepan to combine caramel topping, peanut butter, and cornstarch. Cook and stir over low heat until peanut butter is melted. Remove from heat and stir in peanuts. Spread evenly over crust. Return to oven and bake for 5 to 7 minutes until almost set. Cool completely.
Spread chocolate icing over bar cookies. Top with additional peanuts if desired.