The Cookie Bars That Made Traditional Christmas Treats Surrender!

Sharing is caring!

These Cookie Bars are everything you love about cookies but taken to the next level—thicker, gooier, and bursting with flavor in every bite. Imagine buttery layers of dough studded with melty chocolate, toasty nuts, or whatever mix-ins your heart desires, baked into golden perfection.

These bars are a lifesaver when you’re craving cookies but don’t have the time or patience to scoop individual portions.

Perfect for holiday parties or cozy nights in, these bars pair wonderfully with eggnog custard tarts for a creamy contrast or colorful macarons to add a touch of elegance to your dessert table. Whether you’re baking for loved ones or treating yourself, The Cookie Bars are bound to become a household favorite.

What I Didn’t Expect About This Recipe

  • The versatility: You can customize these bars endlessly with add-ins like dried fruits, white chocolate chips, or even sprinkles for a festive twist.
  • No fuss baking: No need to chill the dough or roll out individual cookies. Just spread it in a pan and bake—it’s that easy!
  • Texture perfection: The bars bake up with slightly crispy edges and a soft, chewy center. That combination is cookie nirvana.
  • Make-ahead magic: These bars taste even better the next day, making them ideal for holiday prep. They’re also freezer-friendly for those last-minute sweet cravings.
Sliced cookie bars are arranged on a white serving platter, surrounded by festive decorations such as pine branches, red berries, and extra holiday sprinkles. A cup of hot cocoa with whipped cream sits nearby, enhancing the cozy holiday atmosphere

Christmas Cookie Bars Recipe

Festive Christmas M&M bars are a colorful and chewy treat perfect for the holidays! Packed with sprinkles and chocolate, they’re quick to bake and sure to delight kids and adults alike.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Appetizer
Cuisine American
Servings 24
Calories 205 kcal

Equipment

  • 9×13” metal pan
  • Foil
  • Cooking spray
  • Stand or Hand Mixer
  • Mixing bowl
  • Measuring cups and spoons

Ingredients
  

  • ½ cup 113g unsalted butter
  • 2 cups 400g packed brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ teaspoon salt
  • 1 teaspoon baking powder
  • 2 cups 248g all-purpose flour
  • 1 cup Christmas M&Ms or your favorite color
  • ½ cup Christmas sprinkles use jimmies for best results

Instructions
 

  • Preheat the oven to 350°F. Line a 9×13” metal pan with foil and coat with cooking spray. Avoid using a glass pan.
  • Cream butter and brown sugar using a mixer until crumbly. Mix in eggs and vanilla until smooth.
    A glass bowl containing a smooth, golden batter sits on a countertop, showing melted butter, brown sugar, granulated sugar, egg, and vanilla being stirred together with a spatula under soft kitchen lighting.
  • Add salt, baking powder, and flour; mix until combined. Fold in M&Ms and sprinkles.
    A hand folds flour into the wet batter in a mixing bowl, forming a smooth dough. Containers of baking soda, powder, and salt sit nearby as part of the baking process.
  • Spread the dough evenly in the prepared pan. Spray your hands with cooking spray to smooth the sticky mixture.
    Festive mix-ins like colorful M&Ms, chopped caramels, broken pretzel pieces, and sprinkles are folded into the cookie dough, their vibrant hues standing out against the light dough
  • Sprinkle remaining M&Ms and sprinkles on top.
    Cookie dough is evenly spread into a parchment-lined 9x13-inch baking pan. Extra M&Ms and sprinkles are added on top for decoration, ready for baking.
  • Bake for 22-25 minutes until lightly golden. Don’t overbake; they’ll firm up as they cool.
    The baking pan with cookie dough sits on the center rack of a preheated oven. The edges are turning golden brown, illuminated by the warm glow of the oven light.
  • Let cool completely before slicing into bars.
    Golden-brown cookie bars are sliced neatly into squares on a wooden cutting board. Their festive mix-ins—M&Ms, caramel, chocolate chips, and sprinkles—are visible. A cooling rack and holiday-themed napkin are in the background
  • Store in an airtight container for up to 4 days or freeze for up to 1 month.

Nutritional Facts:

Calories205 kcal
Cholesterol25 g
Fat6 g
Protein2 g
Fibre1 g

Tips and Variations for Christmas M&M Bars!

  1. Substitute M&Ms
    Swap the Christmas M&Ms for other holiday-themed colors or flavors, like pastel M&Ms for Easter or peanut butter M&Ms for extra indulgence.
  2. Add a Nutty Crunch
    Fold in 1/2 cup of chopped pecans or walnuts for a crunchy texture that pairs well with the sweetness.
  3. Chocolate Lover’s Delight
    Replace 1/4 cup of the flour with unsweetened cocoa powder to turn these into festive chocolate bars.
  4. Frosted Bars
    Top the cooled bars with a thin layer of vanilla or cream cheese frosting, and then sprinkle with more Christmas sprinkles for a bakery-style finish.
  5. White Chocolate Twist
    Use white chocolate chips in place of or in addition to M&Ms for a creamy, sweet variation.
  6. Dried Fruit Addition
    Mix in 1/3 cup of dried cranberries or chopped dried cherries to add a fruity contrast.
  7. Gluten-Free Option
    Use a 1:1 gluten-free baking flour to make these bars suitable for gluten-free diets.
  8. Salted Caramel Drizzle
    Drizzle salted caramel sauce over the bars just before serving for an extra layer of flavor.
  9. Mini Cookie Bars
    Press the dough into two 8×8-inch pans instead of one large pan for minibars that bake faster and are perfect for smaller gatherings.
  10. Gift-Worthy Packaging
    Cut the bars into bite-sized pieces, wrap them in festive cellophane, and tie them with a ribbon for holiday gifts.

These tips can make your Christmas M&M Bars even more delightful and versatile!

Please Rate this Recipe
Recipe Image

Planning to try this recipe? Save it for later on Pinterest! 📌

Noah Baker

Hi! I’m Noah Baker

I have been a professional chef and restaurant owner for the past 20 years! I love to cook and bake, and I want to share my enthusiasm.

More About Me

Please Leave a Star Rating and Comment Below

Leave a Comment

Recipe Rating