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Cookies & BarsNo. 2341 · The 2026 edition

Monster Cookies

Get ready for a spooky treat that's as fun to make as it is to eat! These Monster Cookies are loaded with peanut butter, oats, and chocolate, making them the perfect Halloween baking project for the w

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Our own summary of the original — the full post and photos live at justataste.com.

Monster Cookies studded with mini chocolate chips and M&Ms
PHOTO · JUSTATASTE.COM

These Monster Cookies combine creamy peanut butter, chewy oats, and sweet chocolate chips for a festive Halloween dessert. The recipe involves creaming butter and sugars, mixing in eggs and peanut butter, folding in oats and candies, and baking until golden. The result is a delicious, crowd-pleasing cookie that's perfect for sharing during the holiday.

Ingredients

Directions

  1. Start by turning your oven on to 350°F. Prepare two baking sheets by lining them with parchment paper or silicone baking mats.
  2. Using a stand mixer with the paddle attachment, beat the granulated sugar, packed brown sugar, and softened butter together until the mixture becomes pale and airy.
  3. Add the eggs individually, mixing well after each addition. Once incorporated, stir in the peanut butter, vanilla extract, baking soda, and salt until everything is thoroughly blended.
  4. Fold in the oats until no dry streaks remain. Then, stir in the mini M&Ms and mini-chocolate chips to distribute them evenly throughout the dough.
  5. Use a scoop or spoon to drop 2-to-3-tablespoon portions of dough onto your prepared sheets. Make sure to leave at least 2 inches of space between each mound.
  6. Place the trays in the oven and bake for 12 to 15 minutes. After removing them from the heat, let the cookies rest on the baking sheets for 5 minutes before moving them to a wire rack to cool completely.

Open the original on justataste.com