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Caramel Peanut Butter Cookie Bars with oatmeal cookie bars
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5 from 1 vote

Caramel Peanut Butter Cookie Bars

These Caramel Peanut Butter Cookie Bars are a variation of the magic cookie bars that everyone loves.  They're an oatmeal cookie bar with a caramel sauce, peanut butter spread, chocolate chips, and a wonderful oatmeal cookie bar topping.
Prep Time10 mins
Cook Time25 mins
cooling time1 hr
Total Time35 mins
Course: Dessert
Cuisine: American
Servings: 24 people
Calories: 518kcal


Oatmeal Cookie Bar Recipe

  • 2 cups Butter
  • 2 ¼ cups Brown Sugar
  • 3 cups Oatmeal regular rolled oats
  • 3 cups Flour all-purpose
  • 2 teaspoon Baking Soda
  • 1 teaspoon salt

Caramel Sauce Recipe

  • 1 pound Caramels you can purchase pre-made caramel sauce, (Mrs. Richardson's caramel sauce is the best for this recipe.
  • 1 teaspoon Evaporated milk

Peanut Butter Sauce Recipe

  • 1 pkg White chocolate chips
  • 1 cup Peanut butter Smooth

Other Ingredients

  • 1 package Chocolate chips real, milk chocolate chips


  • Preheat oven to 350 degrees

Oatmeal Cookie Bar Recipe--Crust

  • In a large electric mixer, cream together the butter and sugar until light and fluffy.  Add the oatmeal, flour, baking soda, and salt. Mix until all ingredients are incorporated. The mixture will be a bit crumbly.  
  • Press the cookie bar mixture into a large baking sheet, covering the bottom of the pan. Bake in a preheated oven on 350 for 8 minutes.

Peanut Butter Sauce Recipe

  • While the cookie crust is baking, add the white chocolate chips to a microwave safe bowl, melt on 50% power for 30 seconds, stir, and repeat for 4-6 cycles or until the white chocolate chips are melted. (You can also substitute the white chocolate chips for regular milk chocolate chips in this cookie bar recipe. 
  • Add the peanut butter to the melted chocolate chips and stir until smooth. 
  • Drop by spoonfuls onto the cookie bar crust.  Spread with a knife to cover the entire cookie bar crust. 

Caramel Sauce Recipe

  • The first thing you do is unwrap the caramels. Add them to a microwave safe bowl, add 1 teaspoon of evaporated milk and melt the caramels on 50% heat for 1 minute.  Stir the caramels.
    Be sure to stir the caramels every time you melt them in the microwave. Some caramels retain their shape even though they are melted.  You also want to incorporate the evaporated milk in with the caramel. 
    Cook for 30 seconds on 50% heat and stir, repeat 4-6 times or until the caramel is smooth and all melted.
  • Drizzle the caramel sauce onto the peanut butter mixture.  

Finishing Caramel Peanut Butter Cookie Bars

  • Sprinkle the milk chocolate chips on the caramel sauce. Sprinkle the remaining cookie crumb mixture on the cookie bars. Bake at 350 for another 8-10 minutes or until it is just golden on the edges.  Cool for about an hour before cutting. Cut into 24 squares. 


Calories: 518kcal | Carbohydrates: 59g | Protein: 6g | Fat: 31g | Saturated Fat: 16g | Cholesterol: 47mg | Sodium: 462mg | Potassium: 203mg | Fiber: 2g | Sugar: 51g | Vitamin A: 517IU | Vitamin C: 1mg | Calcium: 100mg | Iron: 1mg