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5 from 9 votes

Monster Cookie Bars Recipe

Monster cookie bars are jam packed with layers, textures, and flavors. The chewy oat crust and smooth chocolate are the perfect pair.
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Dessert
Cuisine: American
Servings: 20
Author: Lil' Luna

Ingredients

  • 1 1/2 c quick oats
  • 1 1/2 c all-purpose flour
  • 1 c brown sugar
  • 1 tsp salt
  • 3/4 c butter softened
  • 1/4 c creamy peanut butter
  • 14 oz sweetened condensed milk
  • 1 bag milk chocolate chips
  • 1/4 c creamy peanut butter
  • 1 c M&M's

Instructions

  • Preheat the oven to 350 degrees F and grease a 9x13 inch baking pan.
  • Add the oats, flour, brown sugar, salt, softened butter, and 1/4 c peanut butter to a medium size bowl and stir together with a spoon.
  • Once the ingredients have been combined remove 1 cup and set it aside. Add the remaining mixture from the mixing bowl to the greased baking pan and press.
  • Add the condensed milk, chocolate chips and 1/4 c of peanut butter to a saucepan and melt over medium-low heat. Stir constantly until the chocolate has melted and all the ingredients have incorporated together.
  • Pour the melted chocolate mixture on top of the mixture that was pressed into the baking pan, Use a cooking spatula to spread it evenly.
  • Take the 1 cup of the oat mixture that you set aside earlier and sprinkle it evenly over the top of the chocolate layer.
  • Top with M&M's and bake for 25-27 minutes. Once done allow the cookie bars to cool completely before cutting them.

Nutrition

Calories: 398kcal | Carbohydrates: 53g | Protein: 6g | Fat: 19g | Saturated Fat: 10g | Cholesterol: 29mg | Sodium: 254mg | Potassium: 164mg | Fiber: 2g | Sugar: 39g | Vitamin A: 327IU | Vitamin C: 1mg | Calcium: 106mg | Iron: 1mg