Christmas Cookie Bars: 6 Amazing Steps to Irresistible Holiday Bliss

Name: Christmas Cookie Bars
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: ½ cup Unsalted butter, melted (for dairy-free, use melted coconut oil); ¾ cup Brown sugar; ¼ cup Granulated sugar; 1 Large egg (room temperature); 1 teaspoon Vanilla extract; 1½ cups All-purpose flour (spoon and level for accuracy); ½ teaspoon Baking powder; ¼ teaspoon Salt; 1 cup Holiday M&M’s (use red and green for a festive touch); ½ cup Mini chocolate chips (optional but recommended); 2 tablespoons Sprinkles (adds texture and color)

Delicious Christmas cookie bars decorated for the holiday season

By :

olivier

December 17, 2025

Everyday Culinary Delights👩‍🍳

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How to make Christmas Cookie Bars

Ingredients :

Directions :

Step 1: Prepare the Pan
Preheat your oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper, leaving some overhang for easy lifting later. Lightly grease the parchment to prevent sticking.
Pro Tip: If you want crisp edges and chewy centers, use a light metal pan instead of glass.

Step 2: Mix Wet Ingredients
In a large bowl, whisk melted butter, brown sugar, granulated sugar, egg, and vanilla until the mixture is smooth and glossy.
Pro Tip: Melted butter gives the bars their signature soft, fudgy texture.

Step 3: Add Dry Ingredients
Add flour, baking powder, and salt. Gently fold until combined. Do not overmix, or your bars may become tough.

Step 4: Fold in Add-ins
Add the M&M’s, chocolate chips, and sprinkles. Reserve a small handful of M&M’s for topping before baking.
Pro Tip: Press extra candies on top before baking for that bakery-style look.

Step 5: Bake
Spread the batter evenly into the prepared pan. Bake for 20–25 minutes until edges are lightly golden and the center looks set. A toothpick should come out with a few moist crumbs.
Pro Tip: Slightly underbake for softer bars — they’ll continue cooking as they cool.

Step 6: Cool and Slice
Let cool completely in the pan before cutting into squares or triangles. Store at room temperature for up to five days.
Pro Tip: For clean cuts, chill the pan for 15 minutes before slicing.

If you like, try a soft twist on the base by checking a related treat like Cinnamon Sweet Potato Breakfast Cookies for flavor ideas and inspiration.

Why You’ll Love This Christmas Cookie Bars

These bars are simple and fun. You mix one bowl and press it in a pan. No cookie scoop, no chilling the dough, and no rolling. They bake fast and feed many people. The holiday M&M’s make the bars look bright and cheerful. Kids and guests will love the colors and the sweet crunch. The bars stay soft in the middle and a little chewy at the edge. You can make them ahead and wrap them for gifts or a party tray. They taste like a soft cookie but are easier to share.

Nutriments benefits

These bars are a treat, not a health food, but you can still note some small benefits:

Eggs add protein and help the bars hold together.
A little butter gives fat that helps flavors come out.
Using dark chocolate chips adds a bit of antioxidants compared to milk chocolate.
You can add nuts or oats to up the fiber and mineral content if you want.
Keep portion sizes small at parties — one or two squares will give everyone a taste without too much sugar.

What to Serve With Christmas Cookie Bars

These bars pair well with warm drinks and light sides. Try them with hot cocoa, coffee, or a small glass of milk. They also work with fruit plates and cheese boards if you want a mix of sweet and savory. For a nice snack tray, add plain crackers and fresh berries. If you want another cookie to balance the tray, consider a zesty lemon cookie for contrast — it goes well with rich bars like these and you can find a bright recipe for Cinnamon Sweet Potato Breakfast Cookies if you need a side idea. Use a platter and mix shapes and colors to make the holiday table pop.

How to store Christmas Cookie Bars

Store the bars in an airtight container at room temperature for up to five days. Place parchment or wax paper between layers so the sprinkles and candies do not stick. If you want the bars to last longer, freeze them in a single layer on a baking sheet until firm, then stack with parchment between and seal in a freezer bag for up to three months. Thaw at room temperature before serving. If you plan to gift them, wrap squares individually in clear wrap and tie with a ribbon to keep them fresh and pretty.

Tips and mistakes to avoid

Do not overmix the batter after you add the flour. Overmixing can make the bars dense and tough.
Use room temperature egg so the batter mixes evenly.
Measure flour by spooning it into the cup and leveling it off. Too much flour makes dry bars.
Line the pan with parchment and leave an overhang. This makes lifting the whole slab out easy.
If you like softer bars, check them at 18 minutes. They will firm as they cool.
Press a few extra M&M’s on top before baking for a bright, bakery look.
Avoid using large chocolate chips if you want even distribution — mini chips work best.
For ideas on shape or texture changes, see a helpful note or similar baking tips at Cinnamon Sweet Potato Breakfast Cookies.

Common mistakes to avoid: baking too long, not greasing parchment, and adding too many mix-ins which can stop the bars from setting well.

variation (if any)

Cranberry White Chocolate: Swap the M&M’s for dried cranberries and white chocolate chips. Add a teaspoon of orange zest for a bright note.
Nutty Crunch: Stir in ½ cup chopped pecans or walnuts for texture. Toast them first for more flavor.
Gluten-Free: Use a 1-to-1 gluten-free flour mix. Watch bake time — it may need a minute or two more.
Vegan/Dairy-Free: Use melted coconut oil instead of butter and a flax egg (1 tbsp ground flax + 3 tbsp water) for the egg.
Peppermint Twist: Swap M&M’s for crushed candy canes and use dark chocolate chips for a cool mint touch.

These variations let you adapt the bars for taste, diet, or style. Try a batch with dried fruit and nuts if you want a less sweet version.

FAQs

Q: Can I make these bars ahead of time?
A: Yes. You can bake them up to three days before a party and keep them in an airtight container at room temperature. For longer storage, freeze as noted above.

Q: Can I use salted butter?
A: Yes, but reduce added salt to a pinch (about 1/8 teaspoon) since salted butter adds salt too. Taste and adjust in future batches.

Q: Can I make half the recipe in an 8×8 pan?
A: Yes. Bake time may change — check at 18 minutes. The bars will be thicker, so they may need a few extra minutes.

Q: How do I get clean cuts?
A: Chill the slab 10–15 minutes, then use a sharp chef’s knife wiped clean between cuts. You can also score lines while slightly warm and finish cooling fully before separating.

Q: Can I replace brown sugar with white sugar?
A: You can, but brown sugar adds moisture and a small caramel flavor. Using only white sugar may give a drier, less chewy bar.

Q: Are these bars safe for kids with nut allergies?
A: The base recipe has no nuts. But if you add nuts or use a facility-made product that may contain nuts, disclose that on the label. Use nut-free candy and chips if needed.

Conclusion

These Christmas Cookie Bars are quick to make, festive to share, and easy to change for taste or diet. If you want other holiday bar ideas, try a cranberry twist or festive blondie for more variety. For a rich cranberry chocolate idea try Pam’s Cranberry Bliss Brownies — Three Many Cooks. If you like the cranberry and white chocolate combo, see a similar take at cranberry bliss bars. For a bright citrus cookie to serve alongside these bars, check this lemon-lime recipe: Lemon Lime Cookies – Cook Nourish Bliss.

Enjoy the bars, and have a happy, tasty holiday season!