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Peanut Butter Monster Cookies

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These soft, chewy peanut butter monster cookies are packed with M&Ms, oats, and chocolate chips for the ultimate sweet-and-salty treat. Quick to make and endlessly customizable, they’re perfect for bake sales, parties, or a fun family baking day.

Ingredients

Scale
  • 1 cup creamy peanut butter (Jif or Skippy recommended)
  • 1/2 cup unsalted butter, softened
  • 1 cup packed brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs, room temperature
  • 2 teaspoons vanilla extract
  • 1 1/2 cups all-purpose flour
  • 1 cup old-fashioned rolled oats
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup M&Ms (mix of regular and mini recommended)
  • 1/2 cup semi-sweet chocolate chips (optional)

Instructions

  1. Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large mixing bowl, beat together the unsalted butter, creamy peanut butter, brown sugar, and granulated sugar with a hand mixer or stand mixer on medium speed for 2-3 minutes, until light and fluffy.
  3. Add eggs one at a time, beating well after each addition. Mix in vanilla extract. Scrape down the sides of the bowl as needed.
  4. In a separate bowl, whisk together the all-purpose flour, rolled oats, baking soda, and salt.
  5. Gradually add the dry ingredients to the wet mixture, mixing on low speed or with a spatula until just combined. Do not overmix.
  6. Gently fold in the M&Ms and chocolate chips, reserving a small handful of M&Ms to press on top of the cookies before baking.
  7. Use a 2-tablespoon cookie scoop or spoon to portion dough onto prepared baking sheets, leaving about 2 inches between each cookie. Press extra M&Ms and chips on top for a bakery-style look.
  8. Bake for 10-12 minutes, until edges are set and lightly golden but centers still look slightly underbaked.
  9. Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.

Notes

For gluten-free cookies, use a 1:1 gluten-free flour blend and certified gluten-free oats. For extra soft cookies, pull them from the oven when the centers look slightly underdone. Store in an airtight container with a slice of bread to keep them soft. Dough and baked cookies freeze well. Customize with your favorite mix-ins like chopped nuts, coconut, or pretzels.

Nutrition

Keywords: peanut butter monster cookies, M&M cookies, soft cookies, easy cookie recipe, bake sale cookies, chewy cookies, kid-friendly cookies, party cookies, oatmeal cookies, chocolate chip cookies

Find it online: https://magnetmeal.com/peanut-butter-monster-cookies-recipe-easy-soft-m-and-m-treats/