How to Make Monster Cookie Bars - A Step-by-Step Guide

Monster cookie bars are the perfect treat for anyone with a sweet tooth. These chewy, gooey bars are loaded with all of the classic monster cookie ingredients, including oats, chocolate chips, and M&M candies. The best part? They're super easy to make and perfect for feeding a crowd. Whether you're hosting a party, bringing a treat for a potluck, or just craving something sweet, these monster cookie bars are sure to be a hit.

One of the things that sets these bars apart from tradition...

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Ingredients

  • ½ cup LAND O LAKES® Butter, softened
  • ¾ cup packed brown sugar
  • 1 egg
  • ½ teaspoon vanilla extract
  • 1 ¼ cups all-purpose flour
  • ½ teaspoon baking powder
  • ½ teaspoon sea salt
  • ¼ cup creamy peanut butter
  • ⅓ cup rolled oats
  • 1 cup milk chocolate chips
  • ½ cup candy-coated milk chocolate pieces (such as M&M's®)

Information

  • Prep Time: 15 mins
  • Cook Time: 25 mins
  • Total Time: 40 mins
  • Servings: 12

  • Preheat oven to 350 degrees F (175 degrees C). Grease an 8x8-inch baking pan.
  • Cream together butter and brown sugar. Mix in egg and vanilla.
  • In a separate bowl, whisk flour, baking powder, and sea salt together. Gradually incorporate dry ingredients into butter and sugar mixture. Mix thoroughly.
  • Stir in creamy peanut butter, oats, chocolate chips, and candy-coated chocolates. Spread mixture evenly in the prepared baking pan.
  • Bake until set, 25 to 27 minutes. Allow to fully cool before cutting into bars.
  • Nutrition

    332 cal.

    • Total Fat: 18g
    • Saturated Fat: 9g
    • Cholesterol: 42mg
    • Sodium: 235mg
    • Total Carbohydrate: 41g
    • Dietary Fiber: 1g
    • Total Sugars: 27g
    • Protein: 5g
    • Calcium: 60mg
    • Iron: 2mg
    • Potassium: 107mg