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Christmas M&M Cookie Bar squares set on a tabletop with white milk glasses.

M&M Christmas Cookie Bars


  • Author: Madison Wetherill | A Joyfully Mad Kitchen
  • Prep Time: 5 minutes
  • Cook Time: 25 minutes
  • Total Time: 30 minutes
  • Yield: 24 cookie bars 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

These thick and chewy M&M Christmas Cookie Bars are perfect for your holiday cookie exchange and holiday get togethers! These easy cookie bars are packed with red and green M&M’s and chocolate chips in every bite.


Ingredients

  • 1/2 cup unsalted butter, melted
  • 2 cups brown sugar packed
  • 2 tablespoons vanilla extract
  • 2 large eggs
  • 2 cups flour
  • 1 teaspoon salt
  • 1 cups Christmas M&M’s
  • 1 cups semi-sweet chocolate chips

Instructions

  1. Preheat oven to 350ºF and line a 9×13 baking dish with parchment paper.
  2. In a large bowl mix together melted butter, brown sugar and vanilla. Then add in eggs and stir until batter is like a thick caramel.
  3. In a separate bowl, whisk together flour and salt. Then pour flour into batter, roughly a 1/2 cup at a time, folding batter over itself to smooth any ribbons of flour into the batter. The batter will be very thick.
  4. Add in red and green M&M’s and chocolate chips to batter and gently combine.
  5. Pour into baking pan and spread evenly. Top with additional M&M’s and chocolate chips if desired. Bake at 350ºF for 26 minutes.
  6. Remove parchment paper from pan and set on a cooling rack to cool.
  7. Use a knife or bench scraper to divide into 24 squares.

Notes

The cookie bars will be golden brown and firm, but soft and gooey on the inside. You can use a toothpick to see if the cookie bars are completely cooked. A little under done just makes these cookies extra soft and chewy.

These cookies don’t need baking powder or baking soda simply because they do not rise.

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