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–+ servings
No bake monster cookies with oats and colorful mini M&M's.
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5 from 1 vote

No Bake Monster Cookies

These no bake monster cookies combine peanut butter, quick oats, chocolate chips and mini M&M's in soft, chewy cookies that set without the oven.
Prep Time10 minutes
Setting Time1 hour
Total Time1 hour 10 minutes
Course: Cookies
Cuisine: American
Keyword: Gluten Free, No Bake
Servings: 38 cookies

Ingredients

Instructions

  • Line a cookie sheet with parchment paper. Set aside.
  • In a saucepan, add the butter, granulated sugar, brown sugar, and milk.
  • On medium heat, mix well and cook until all ingredients are combined and the sugar is dissolved.
  • Bring the mixture to a boil and boil for 1 minute. Make sure the boiling bubbles are in the middle, not the small ones on the side of the saucepan.
  • Take off the heat and add peanut butter and vanilla extract.
  • Mix well to combine the ingredients with the butter mixture.
  • Stir in the oatmeal. Mix well. Let the mixture sit for 8 to 10 minutes to cool off.
  • Let the mixture cool before adding the chocolate chips and M&M's so they stay intact instead of melting into the cookies.
  • Add the chocolate chips and mini M&M's and gently fold until evenly distributed.
  • Use a medium cookie scoop (about 1½ Tablespoons) to portion the mixture onto the prepared baking sheet.
  • Arrange them on the prepared cookie sheet.
  • Let the cookies cool and set at room temperature for 45 minutes to 1 hour.

Notes

Wait for a full boil: Start timing the 1 minute once the mixture is bubbling across the surface, not when you first see little bubbles around the edge of the saucepan.
Don't skip the cooling time: I know 8 to 10 minutes feels long when there's chocolate waiting to go in, but adding the chips and M&M's too soon will melt them into the oat mixture.
Use quick oats: I use quick or 1-minute oats because they soften enough for a no-bake cookie. Steel-cut oats won't work here, and old-fashioned rolled oats will give you a noticeably chewier texture.
Have everything ready: Once the mixture reaches the right stage, this recipe moves fairly quickly. Measure the peanut butter, oats, chocolate chips and M&M's before you start cooking.
Give them time to set: Leave the cookies alone until they've cooled and firmed up. Depending on the temperature of your kitchen, that can take close to an hour.

Nutrition

Calories: 148kcal | Carbohydrates: 19g | Protein: 3g | Fat: 7g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.1g | Cholesterol: 7mg | Sodium: 51mg | Potassium: 85mg | Fiber: 1g | Sugar: 13g | Vitamin A: 81IU | Calcium: 16mg | Iron: 1mg

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