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Cookies & BarsNo. 5692 · The 2026 edition

The BEST Monster Cookies 🍪 Soft, Chewy & Flourless

These flourless monster cookies are packed with peanut butter, chocolate chips, and M&M's for the ultimate chewy treat!

27 min Serves 24 cookies Easy American Easy

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The BEST Monster Cookies 🍪 Soft, Chewy & Flourless
PHOTO · YOUTU.BE

These monster cookies are soft, chewy, and completely flourless thanks to a generous amount of peanut butter. With chocolate chips and M&M's stirred in, they're a fun and delicious twist on classic cookies. Perfect for Halloween or any time you want a crowd-pleasing dessert.

Ingredients

Equipment

  • Baking sheets
  • Parchment paper
  • Large mixing bowl
  • Wire rack

Directions

  1. Set your oven to 350°F (175°C) and line baking sheets with parchment paper.
  2. In a large bowl, beat the softened butter, granulated sugar, and brown sugar together until the mixture is smooth and creamy.
  3. Add the eggs one at a time, mixing well after each, then stir in the vanilla extract.
  4. Incorporate the peanut butter and mix until everything is fully blended.
  5. In a separate bowl, combine the flour, baking soda, and salt with a whisk.
  6. Slowly add the dry ingredients to the wet mixture, stirring just until no flour streaks remain.
  7. Gently fold in the chocolate chips and M&M's.
  8. Drop rounded tablespoon-sized portions of dough onto the prepared sheets, leaving about 2 inches of space between each.
  9. Bake for 10 to 12 minutes, until the edges turn golden brown.
  10. Let the cookies rest on the baking sheet for 5 minutes, then move them to a wire rack to cool completely.

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