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A stack of two peanut butter oatmeal cookies with chocolate chips, and the top cookie has a bite out of it.
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5 from 3 votes

Monster Cookies for Two

Our small batch monster cookies are chewy peanut butter and oatmeal cookies packed full of chocolate chips and M&Ms. This recipe makes just a few cookies and is the perfect way to satisfy your sweet tooth. 
Prep Time10 minutes
Cook Time10 minutes
Total Time20 minutes
Servings: 6
Calories: 258kcal


  • 1/4 cup unsalted butter (softened)
  • 1/4 Cup peanut butter
  • 1/4 cup brown sugar
  • 2 TBS granulated sugar
  • 1 egg yolk
  • 1/2 tsp vanilla
  • 1/2 cup old fashioned oats
  • 1/4 cup flour
  • 1/4 tsp baking soda
  • 1/4 tsp salt
  • 1/4 cup chocolate chips
  • 1/4 cup m&ms


  • Preheat the oven to 350 degrees. Line a baking sheet with parchment paper, or a silicone liner.
  • Cream together the butter, peanut butter, sugar and brown sugar until well mixed.
  • Add in the egg yolk and vanilla and mix well.
  • Add in the dry ingredients, your baking soda, salt and flour and stir everything to combine.
  • Mix in ther chocolate chips and m&ms until fully incorporated.
  • Scoop the cookie dough by the 3-4 TBS. Place them onto the prepared cookie sheet a couple of inches apart. Flatten them down slightly, to be about half as tall.
  • Bake for about 9-11 minutes, or until cookies are set and the edges are lightly golden.
  • Allow cookie to rest for about 10 minutes on baking pan before moving to a cooling rack.


Calories: 258kcal | Carbohydrates: 33g | Protein: 3g | Fat: 13g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.3g | Cholesterol: 55mg | Sodium: 162mg | Potassium: 52mg | Fiber: 1g | Sugar: 23g | Vitamin A: 316IU | Vitamin C: 0.1mg | Calcium: 37mg | Iron: 1mg