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Classic Christmas M&M Cookies

close up shot of festive christmas m&m cookies with tree lights in the background

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Easy Christmas M&M cookies baked right away on a silicone baking mat. Soft, buttery, festive cookies perfect for holiday baking.

Ingredients

  • 2½ cups all-purpose flour

  • 1 teaspoon baking soda

  • ½ teaspoon salt

  • ¾ cup + 2 tablespoons unsalted butter, softened

  • ⅔ cup light brown sugar

  • ⅔ cup granulated sugar

  • 1 large egg

  • 1 large egg yolk

  • 2 teaspoons vanilla extract

  • 1½ cups Christmas M&Ms, divided

Instructions

  • Preheat oven to 350°F. Line baking sheets with silicone baking mats.

  • Whisk flour, baking soda, and salt in a bowl.

  • Cream butter and sugars on medium speed for 2 minutes.

  • Add egg, egg yolk, and vanilla; mix briefly.

  • Add dry ingredients and mix just until combined.

  • Fold in 1 cup M&Ms.

  • Scoop dough, gently press, and top with remaining M&Ms.

  • Bake 11–13 minutes until edges are set.

  • Cool 5–10 minutes, then transfer to a rack.

Notes

  • Don’t skip cooling the cookies: Cookies feel soft when hot; allow to cool fully

  • Use parchment paper or silicone: Silicone baking mats are recommended

  • Measuring flour: Use spoon-and-level method or weigh for accuracy
  • Don’t overbake: Cookies continue cooking after removal from oven
  • Storage: Store airtight up to 5 days or freeze up to 3 months
  • Make-ahead: Freeze dough balls and bake from frozen (add 2 minutes)