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Ultimate Chewy Christmas Sprinkle & M&M Cookie Bars

A close-up, cross-section view of a thick, chewy christmas cookie bars loaded with colorful candy pieces.

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Bake these easy, one-pan Christmas cookie bars packed with colorful candies and chocolate chips for a chewy, festive holiday treat.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup packed light brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup semi-sweet chocolate chips
  • 1 cup M&M’s candies
  • 1/2 cup Christmas sprinkles

Instructions

  1. Preheat your oven to 350 degrees F. Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal.
  2. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
  3. Beat in the eggs one at a time, then mix in the vanilla extract.
  4. In a separate bowl, whisk together the flour, baking soda, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
  6. Fold in the chocolate chips, M&M’s candies, and sprinkles.
  7. Press the dough evenly into the prepared baking pan.
  8. Bake for 25 to 30 minutes, or until the edges are lightly golden brown and a toothpick inserted near the center comes out with moist crumbs attached.
  9. Let the bars cool completely in the pan on a wire rack before lifting them out using the parchment paper overhang.
  10. Cut into squares and serve.

Notes

  • For extra gooey bars, slightly underbake them by about 2 minutes.
  • You can chill the dough for 30 minutes if you prefer a firmer bar, but this recipe works well without chilling.
  • Use holiday-colored M&M’s for the best festive look.

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