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+ servings
Monster Cookie Recipe

Monster Cookie Recipe

This monster cookie recipe is delicious anytime, but especially right after Halloween when you need to use up all that candy!
5 from 1 vote
Prep Time 10 mins
Cook Time 10 mins
Course Dessert
Cuisine American
Servings 25 cookies


  • silicone baking mat
  • parchment paper
  • cookie sheet
  • 2 tbsp cookie scoop


  • 1/2 cup unsalted butter (1 stick)
  • 1/2 cup light brown sugar
  • 1/4 cup granulated sugar
  • 3/4 cup peanut butter
  • 1 large egg at room temperature
  • 1 tsp vanilla extract
  • 1/2 tsp baking soda
  • 1/2 tsp salt
  • 1 1/4 cups all-purpose flour
  • 1/2 cup quick oats
  • 3/4 cup M&Ms roughly 12 fun-sized packets
  • 1/2 cup chocolate chips
  • 1/4 cup salted pretzels crushed
  • 48-60 candy eyeballs (optional but darn cute!)


  • Preheat oven to 350 F. Line a baking sheet with a silpat baking mat or sheet of parchment paper.
  • In the bowl of a stand mixer using a paddle attachment, or in a large bowl using an hand mixer, cream together the butter and sugars until pale, light, and fluffy.
  • Add in the vanilla, egg, and peanut butter and beat until combined, scraping down the bowl as needed.
  • Sift the baking soda, salt, and flour into the bowl and beat to combine.
  • Add in the oats and mix thoroughly.
  • Crumble the pretzels, then stir in along with the M&Ms and chocolate chips.
  • Use a large cookie scoop (or roll into 2 tbsp balls) to scoop dough onto the prepared sheet.
  • Bake 10-15 minutes until golden brown.
  • Remove from oven and press candy eyeballs into the cooked cookie while still warm.
  • Cool 5 minutes on sheet, then remove to wire rack to fully cool.
Keyword candy, cookie
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