M&M Christmas Cookie Bars

M&M Christmas Cookie Bars

from number-2-pencil.com
50 min
24 servings

M&M Christmas Cookie Bars - loaded with festive M&M's and chocolate chips these internet net famous cookie bars have been a reader favorite since 2016.

Ingredients

  • 2 sticks salted butter (at room temperature)
  • 1 cup granulated sugar
  • 1 cup golden brown sugar (firmly packed)
  • 3 large eggs (at room temperature)
  • 1 1/2 teaspoons pure vanilla extract
  • 3 cups all-purpose flour
  • 3/4 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1 1/2 cups Christmas M&M's (plus more for topping)
  • 1 cup mini chocolate chips (plus more for topping)
  • 1/2 cup white chocolate chips (for topping)

Directions

  1. 1

    Preheat oven to 350 degrees.

  2. 2

    Line a 9x13 aluminum pan with foil. Leave some overhang to make removal easier.

  3. 3

    Spray foil generously with nonstick cooking spray.

  4. 4

    In the bowl of a stand mixer, beat butter, granulated sugar, and brown sugar together until fluffy.

  5. 5

    Add in eggs and vanilla extract and continue to beat.

  6. 6

    Lower speed of mixer and add flour, baking soda and salt and mix until combined.

  7. 7

    Add M&M's and mini chocolate chips and give a final stir, reserving some M&M's, mini chocolate chips and white chocolate chips for topping cookie bars.

  8. 8

    Transfer cookie dough to prepared baking dish.

  9. 9

    Press additional M&M'S, mini chocolate chips and white chocolate chips into top of cookie dough.

  10. 10

    Bake 35 minutes on middle rack of oven, or until cookie bars are light golden brown and just set. Do not over bake. Cookie bars will continue to bake as they cool.

  11. 11

    Let cool completely and cut. Store tightly covered.