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Easy Chewy Christmas M&M Cookie Bars

A close-up of a thick, chewy Christmas cookie bars square loaded with red and green M&M's.
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Make these simple, festive Christmas cookie bars loaded with M&Ms and sprinkles. This one-pan recipe delivers chewy holiday treats perfect for any gathering.

Ingredients

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  • 1 cup unsalted butter, softened
  • 1 cup packed light brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 3/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup M&M’s (red and green holiday mix)
  • 1/2 cup semi-sweet chocolate chips
  • 1/2 cup festive Christmas sprinkles

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang for easy removal.
  2. In a large bowl, beat the softened butter, brown sugar, and granulated sugar together until the mixture is creamy.
  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 on low speed until just combined. Do not overmix.
  6. Gently fold in the M&M’s, chocolate chips, and most of the Christmas sprinkles, reserving some sprinkles for the top.
  7. Press the dough evenly into the prepared 9×13 inch pan. Sprinkle the reserved sprinkles over the top of the dough.
  8. Bake for 22 to 25 minutes, or until the edges are lightly golden brown and the center is set. The bars should still look slightly soft in the middle for a chewy texture.
  9. Let the cookie bars cool completely in the pan on a wire rack before lifting them out using the parchment overhang.
  10. Once cool, slice into squares. These are the best Christmas cookie bars for parties.

Notes

  • For the chewiest bars, avoid overbaking. The center should look slightly underdone when you remove them from the oven.
  • You can make these ahead of time; store cooled, uncut bars tightly covered at room temperature for up to 3 days.
  • Use high-quality, room-temperature butter for the best creaming action when mixing the sugars.

Nutrition

Find it online: https://cookerycommand.com/christmas-cookie-bars/