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Gluten-Free Monster Cookie Bars

Gluten-Free Monster Cookie Bars

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Gluten-free monster cookie bars recipe: easy, chewy & loaded with chocolate & oats. Perfect GF dessert. How to make in mins.

Ingredients

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  • ½ cup (1 stick) unsalted butter, softened
  • 1 cup creamy peanut butter
  • 1 cup packed light brown sugar
  • 2 large eggs, at room temperature
  • 1 teaspoon pure vanilla extract
  • 2 ½ cups certified gluten-free old-fashioned rolled oats
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ¾ cup semi-sweet chocolate chips
  • ¾ cup M&M's (ensure they're gluten-free if needed), plus more for topping
  • Instructions

  • Preheat your oven to 350°F (175°C). Line your 9×13 pan with parchment paper, leaving an overhang on two sides for easy removal.
  • In a large bowl, cream together the softened butter, peanut butter, and brown sugar until smooth and well combined.
  • Beat in the eggs, one at a time, followed by the vanilla extract. Mix until everything is fully incorporated and the mixture looks creamy.
  • Add the gluten-free oats, baking soda, and salt right into the wet ingredients. Stir until the oats are completely coated and no dry spots remain.
  • Gently fold in the chocolate chips and M&M's. Reserve a small handful of M&M's for sprinkling on top.
  • Transfer the thick dough into your prepared pan. Press it down evenly with your hands or the back of a spoon. Sprinkle the reserved M&M's over the top and press them in lightly.
  • Bake for 20-25 minutes, or until the edges are golden brown and the center is just set. Let them cool completely in the pan before slicing.
  • Notes

    Easy, one-bowl Gluten-Free Monster Cookie Bars packed with peanut butter, oats, chocolate chips, and M&M’s. The perfect chewy, no-fuss dessert for any occasion.

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