Christmas M&M's Cookie Bars Recipe
Prep time
Cook time
Total time
These Christmas M&M's cookie bars are so cheerful and festive! Bright and merry with red, white and green, they just beg to be eaten! So mouthwatering full of Christmas M&M's and chocolate chips, these cookie bars will be everyone's favorite Christmas dessert!
Recipe type: Dessert
Cuisine: American
Serves: 20 servings
  • 2 sticks butter, softened
  • 1 cup white sugar
  • 1 cup brown sugar
  • 3 eggs
  • 2 tsp vanilla
  • 3 cups flour
  • ¾ tsp baking soda
  • ¾ tsp salt
  • 2 cups Christmas M&M's, divided
  • 1¼ cup chocolate chips, divided
  • ⅔ cup white chocolate chips, divided
  1. Preheat the oven to 350F. Line a 9x13 baking dish with parchment paper.
  2. Put butter, white sugar and brown sugar in a large bowl. Mix with a mixer until combined.
  3. Add eggs and vanilla, and mix until combined.
  4. Add flour, baking soda and salt, and mix until combined.
  5. Add 1 cup of chocolate chips, ½ cup of white chocolate chips and 1½ cup of Christmas M&M's, and stir with a spoon until incorporated.
  6. Transfer the dough to the baking dish. Sprinkle the dough with the remaining Christmas M&M's, chocolate chips and white chocolate chips.
  7. Put in the oven on the bottom rack and bake for 40 minutes.
  8. Remove the cookie bars from the oven and let cool completely, then cut into squares.
Recipe by Melanie Cooks at