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Gluten Free Monster Cookies

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Soft, chewy gluten free monster cookies made in one bowl with peanut butter, oats, chocolate chips, and M&Ms. No chilling required and packed with flavor and texture in every bite.

Ingredients

2 cups smooth peanut butter (not natural)

6 tablespoons butter, room temperature

1 1/2 cups brown sugar

3 large eggs

1 1/2 teaspoons vanilla extract

1/4 teaspoon salt

3 cups gluten free old fashioned oats

2 teaspoons baking soda

1 cup milk chocolate chips

1 cup mini M&Ms

Flake salt for topping (optional)

Instructions

  1. Preheat the oven to 350°F (175°C) and line two baking sheets with parchment paper.
  2. In a large bowl, mix the peanut butter, butter, and brown sugar until smooth and well combined.
  3. Add the eggs and vanilla extract and mix until fully incorporated.
  4. Stir in the gluten free oats, baking soda, and salt until evenly mixed.
  5. Fold in the chocolate chips and mini M&Ms.
  6. Using a 1/4 cup measuring cup, portion the dough and roll into balls.
  7. Place 8 dough balls per baking sheet, leaving space for spreading.
  8. Bake for 8 minutes, remove from the oven, and gently press each cookie down with a fork.
  9. Return to the oven and bake for an additional 5–6 minutes.
  10. Optional: Sprinkle with flake salt and allow cookies to cool on the baking sheet for 8–10 minutes before transferring.

Notes

Use certified gluten free oats to ensure the recipe remains gluten free.

Natural peanut butter is not recommended as it can affect texture.

Cookies will appear slightly soft in the center but firm up as they cool.

Dough can be frozen and baked directly from frozen with extra baking time.

Nutrition