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BEST EVER MONSTER COOKIES - loaded with M&M candies, peanut butter and oats, these are soft, chewy and irresistible. Making them the best cookie ever.
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4.81 from 21 votes

Best Ever Monster Cookies

Best Ever Monster Cookies are loaded with M&M candies, peanut butter, and oats. These are soft, chewy and irresistible, making them the best cookie ever.
Prep Time10 mins
Cook Time12 mins
Total Time22 mins
Course: Dessert
Cuisine: American
Keyword: best monster cookies, flourless monster cookies
Servings: 48 cookies
Calories: 196kcal
Author: Sandra


  • 1 1/2 cups brown sugar
  • 1 cup white sugar
  • 1/2 cup butter softened to room temperature
  • 3 eggs
  • 1 teaspoon vanilla
  • 1 tablespoon honey
  • 1 1/2 cups peanut butter I use creamy
  • 2 teaspoons baking soda
  • 4 1/2 cups rolled oats not quick oats!
  • 1 cup semi-sweet chocolate chips
  • 11.4 ounce bag M&M's


  • Preheat oven to 350 degrees F (175 degrees C).
  • Beat butter, sugars, and eggs together until light and fluffy.
  • Add the remaining ingredients in order, mixing well.
  • Use a cookie dough scoop to drop on ungreased cookie sheet. Bake for 12 to 15 minutes.
  • Let cool for a couple of minutes to set before placing on cooling rack. Enjoy!


Calories: 196kcal | Carbohydrates: 24g | Protein: 3g | Fat: 9g | Saturated Fat: 4g | Cholesterol: 16mg | Sodium: 110mg | Potassium: 114mg | Fiber: 1g | Sugar: 17g | Vitamin A: 90IU | Calcium: 25mg | Iron: 0.9mg