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Cookie bar squares stacked on top of each other on a white plate with pink, red and white m&m candies.

Valentine Monster Cookie Bars

All your favorites in one bar and a fun Valentine's Day Treat. Valentine Monster Cookie Bars are loaded with peanut butter, oats, semi sweet chocolate chips, white chocolate chips and red, pink and white m&ms's.
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Course: Bars, Cookies, Dessert
Cuisine: Bars/Brownies, Dessert
Prep Time: 20 minutes
Cook Time: 20 minutes
Cool Time: 30 minutes
Total Time: 1 hour 10 minutes
Servings: 16 Bars
Calories: 333kcal
Author: Kristen Massad

Equipment

  • 1 Electric Mixer
  • 1 9x9 Square Baking Pan

Ingredients

  • 1 Cup All Purpose Flour
  • 1 Cup Old Fashioned Oats
  • ½ Teaspoon Baking Soda
  • ½ Teaspoon Salt
  • ¼ Teaspoon Ground Cinnamon
  • ½ Cup Unsalted Butter Room Temperature
  • ½ Cup Creamy Peanut Butter
  • 1 Cup Light Brown Sugar
  • 1 Egg
  • 1 Teaspoon Vanilla Extract
  • 1 Cup Semisweet Chocolate Chips
  • ½ Cup White Chocolate Chips
  • 1 Cup M&M's
  • Course Sea Salt Garnish

Instructions

  • Preheat oven to 350 degrees F and prepare a 9x9 inch square pan with parchment paper
  • In a medium bowl combine the flour, oats, baking soda, salt and ground cinnamon; set aside
  • Using an electric mixer or a hand held mixer, cream together butter, peanut butter and light brown sugar until creamy and smooth
  • Add egg and vanilla extract and mix until combined
  • Add the dry ingredients to the creamed butter mixture and mix until fully combined
  • Fold the semisweet chocolate chips, white chocolate chips and m&m's into the batter
  • Evenly press the dough into the prepared pan
  • Bake for 20-22 minutes or until the edges are light golden brown (the center will still be slightly soft)
  • Remove the Monster Cookie Bars from the oven, sprinkle with course seas salt and allow them to cool for 30-45 minutes before cutting (refrigerate if you need them to cool quickly)
  • Cut into desired shape and size! Enjoy

Nutrition

Serving: 1Bar | Calories: 333kcal | Carbohydrates: 39g | Protein: 5g | Fat: 18g | Saturated Fat: 9g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 28mg | Sodium: 163mg | Potassium: 167mg | Fiber: 2g | Sugar: 26g | Vitamin A: 227IU | Vitamin C: 1mg | Calcium: 44mg | Iron: 2mg
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