Peanut Butter Cup Monster Cookie Recipe

Peanut Butter Cup Monster Cookie Recipe

How To Make Peanut Butter Cup Monster Cookie

Perfect for Halloween and Christmas celebrations, this monster cookie recipe is something kids and cookie lovers would enjoy.

Preparation: 25 minutes
Cooking: 12 minutes
Total: 37 minutes



  • ¾cupall purpose flour,(95 grams), spoon & leveled
  • ¼tspsalt
  • ½tspbaking soda
  • ½cupunsalted butter,(115 grams), melted
  • 1cuplight or dark brown sugar,(200 grams), packed
  • 1large egg,at room temperature
  • ½cupcreamy peanut butter,(125 grams), not natural style
  • 2tsppure vanilla extract
  • 2cupsquick oats,(160 grams)
  • cupsm&ms,mini or regular size
  • 18cupsreese’s miniature peanut butter,unwrapped


  1. Preheat oven to 350 degrees F (177 degrees C). Line 2 large baking sheets with parchment paper or silicone baking mats. Set aside.

  2. Toss the flour, salt, and baking soda together in a large bowl. Set aside.

  3. In a medium bowl, whisk the melted butter and brown sugar together until no brown sugar lumps remain. Whisk in the egg, then the peanut butter until combined.

  4. Finally, whisk in the vanilla. Pour the wet ingredients into the dry ingredients and mix together with a large spoon or rubber spatula.

  5. The dough will be very soft and slick. Fold in the oats and the M&Ms. Allow the cookie dough to sit for 15 minutes.

  6. Take 1 Tablespoon of dough and slightly flatten out on the prepared baking sheet. Stick a peanut butter cup on top, as shown above.

  7. Top the peanut butter cup with 1½ Tablespoons of cookie dough and seal down the sides so that the peanut butter cup is securely stuffed inside.

  8. Slightly flatten down the top. Repeat with the rest of the dough and peanut butter cups.

  9. Bake the cookies for 12 to 13 minutes. The cookies will look very soft. They will continue to bake on the cookie sheet.

  10. Remove from the oven and lightly press down on each cookie to slightly flatten. 

  11. Allow to cool on the cookie sheet for 10 minutes before transferring to a wire rack to cool completely.


  • Calories: 1789.84kcal
  • Fat: 145.28g
  • Saturated Fat: 32.70g
  • Trans Fat: 0.43g
  • Monounsaturated Fat: 71.14g
  • Polyunsaturated Fat: 33.84g
  • Carbohydrates: 87.46g
  • Fiber: 14.64g
  • Sugar: 45.04g
  • Protein: 61.69g
  • Cholesterol: 25.91mg
  • Sodium: 128.45mg
  • Calcium: 159.88mg
  • Potassium: 1571.48mg
  • Iron: 5.54mg
  • Vitamin A: 55.66µg
  • Vitamin C: 0.07mg
Chat Bubble Icon Share your own special recipe
Submit Your Own Recipe

Have your own special recipe to share? Submit Your Recipe Today!


Leave a comment

Replying to