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Easy Christmas Cookie Bars

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These Christmas Cookie Bars come together quickly and are a very festive addition to a holiday dessert table. No one has to know they start with a cake mix!

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Three Christmas M&M Cookie Bars on a white platter.

Ingredients for Christmas Cookie Bars

  • Yellow Cake Mix – You need a mix that is 15.25 ounces.
  • Butter – I use unsalted but if you use salted omit the salt.
  • Milk – Whole or 2% works best.
  • Salt – I like to use sea salt.
  • Eggs – Large eggs are required.
  • Christmas Sprinkles – Also known as jimmies.
  • M&Ms – The Christmas mix is all red and green M&Ms.
  • White Chocolate Chips – My favorite brand is Ghirardelli but use your favorite.

You’ll also need a cooking spray with flour to coat the 9 x 13-inch pan.

A single Christmas M&M Cookie Bar on a white plate with sprinkles

Tips and Substitutions

There are so many ways you can make these Christmas M&M cookie bars your own. Plus, by adapting the mix-ins you can serve these for any holiday, any time of year.

  • Use a white cake mix with a red, white, and blue theme for July 4th.
  • A chocolate cake mix with the traditional M&Ms, white chocolate chips, and rainbow sprinkles are perfect for a birthday party.
  • Use a spice cake mix with butterscotch chips and pecans or walnuts.
  • Make this Christmas cookie bars recipe with milk chocolate or semi-sweet chocolate chips instead of white chocolate chips. 
  • Try a white cake mix with pastel candies, pastel sprinkles, and white chocolate chips.
  • For peanut butter lovers a chocolate cake mix with peanut butter chips and peanut butter candies mixed in will be a satisfying treat.
  • A brownie mix with white chocolate chips, sprinkles, and nuts would be rich and chocolatey.

These cookie bars are jam-packed, loaded if you will, with delicious goodness. The side view shows off the candies, sprinkles, and festive nature of this Christmas treat.

Because this cookie bar recipe starts with a cake mix you save a bit of money on ingredients making it a bit more economical than starting from scratch. Who doesn’t love saving money?

Plus, they come together quickly for a last-minute party or bake sale.

Side view of a Christmas cookie bar.

How do you store cake mix bars?

No need to refrigerate these cookie bars. Store extras in an airtight container at room temperature. 

Why you’ll love this recipe

  • It starts with a cake mix.
  • There’s candy in the bars.
  • There are sprinkles in the bars.
  • The bars also have white chocolate.
  • Kids can easily help make the Christmas M&M cookie bars.
  • They are festive for the Christmas holdiays.

Christmas Cookie Bars Twitter Image.

More tasty recipes that start with a cake mix

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Easy Christmas M&M Cookie Bars

Easy Christmas M&M Cookie Bars

Yield: 16 bars

These Christmas Cookie Bars come together quickly and are a very festive addition to a holiday dessert table.

Ingredients

  • One 15.25-ounce package yellow cake mix
  • ¾ cup (12 tablespoons) unsalted butter, melted
  • 3 tablespoons milk
  • ⅛ teaspoon salt
  • 2 large eggs
  • ½ cup Christmas mix sprinkles
  • ½ cup red and green candy-coated chocolate candies (I used M&Ms)
  • ½ cup white chocolate morsels
  • Nonstick baking spray, for the pan

Instructions

  1. Preheat the oven to 350 degrees F.
  2. In a large bowl, mix the cake mix, butter, milk, salt, and eggs until the consistency of a batter.
  3. In a second bowl, mix the sprinkles, chocolate candies, and vanilla morsels. Fold two-thirds of the candy mix into the batter.
  4. Coat a 9-by-13-inch pan with baking spray. Add the batter to the pan and smooth the top. Sprinkle over the remaining candy mix and bake until golden and set in the middle, 25 to 27 minutes. Allow to cool completely, about 1 hour.
  5. Cut into 16 bars.

Did you make this recipe?

I'd love to hear about it! Please leave a comment below or share it on Pinterest!

Christmas Cookie Bars Pinterest image

Welcome to #ChristmasCookies Week! That time of year when we soften the butter, fire up the oven, and make cookie trays for family, friends, and neighbors. This year more than 20 top-notch bloggers are sharing their very favorite creations for all to make and enjoy. Join us for a week’s worth of Christmas cookie deliciousness

Colleen - Faith, Hope, Love, & Luck

Thursday 10th of November 2022

It's always nice to grab a cake mix and bake something other than a cake with it! Especially during the busy holiday season!

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