Amazing 24 christmas sugar cookie bars

March 7, 2026
Written By Madison Thompson

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Oh, the holidays! Everyone loves the magic, but who has time for rolling out dough, cutting out dozens of fussy shapes, and then having half the frosting end up on the counter? I totally get it. That’s why I’m bringing you my absolute favorite solution for stress-free festive sweets: these soft, buttery christmas sugar cookie bars. They give you all that classic, nostalgic flavor you crave, but baked up neat and tidy in one single pan. As I always say here at the blog, my commitment is to take those beloved, passed-down recipes and polish them up so they work perfectly for you, even when life is hectic. Trust me, these bars are your new favorite holiday baking secret weapon.

If you’re looking for more foolproof holiday sweets that really deliver on taste without the marathon baking session, you absolutely have to check out my collection of delicious dessert recipes. We need to keep the joy in our kitchens this season!

Why These Christmas Sugar Cookie Bars Are Your Holiday Hero (EEAT Focus)

Listen, I love the look of perfectly decorated sugar cookies, but when I’m juggling family duties and trying to get ahead on meals, I need expediency. That’s why these christmas sugar cookie bars are my go-to! They are the ultimate cut out cookie alternative.

You get that rich, buttery cookie foundation and a thick layer of frosting, which means homemade comfort without the painstaking process. These are perfect holiday party treats because they stay moist longer and are super easy to transport and serve one-handed. Seriously, ditch the cookie cutters this year; we’re baking smarter, not harder! For another fuss-free holiday staple, you might want to look at my pumpkin banana bread variation for Thanksgiving leftovers.

Gather Your Ingredients for Christmas Sugar Cookie Bars

Before we get this one-pan wonder into the oven, we need to make sure our pantry is stocked! Remember, working with quality ingredients makes all the difference, especially when we want that perfect, buttery texture. I’ve grouped everything so you can gather your mise en place easily!

A quick note from me: take care with your butter for both the base and the frosting—it needs to be truly softened, not melted! For the powdered sugar, if it’s even a little clumpy, run it through a quick sift. It keeps the smooth texture we’re aiming for.

For the Buttery Cookie Base

  • 1 cup unsalted butter, softened to true room temperature (this is key for creaming!)
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt

For the Creamy Vanilla Buttercream Frosting

If you want to see how I handle a seriously smooth frosting—since I use similar methods for my classic cream cheese topping—just check out that link! Here’s what you need for this one:

  • 1/2 cup unsalted butter, softened (again, room temperature is your friend!)
  • 4 cups powdered sugar, sifted if lumpy
  • 1/2 cup milk
  • 1 teaspoon vanilla extract
  • Festive Christmas sprinkles (get all the fun reds, greens, and whites!)

Step-by-Step Guide to Making Easy Sugar Cookie Bars

Now for the fun part! This is honestly the simplest one pan holiday baking you’ll do all season. Remember, we want soft, buttery perfection, so follow these mixing and cooling steps closely, okay?

Preparing and Baking the Cookie Dough

First things first: get that oven warmed up to 350°F (175°C). Then grab your 9×13 inch pan and line it with parchment paper, making sure the paper hangs over the sides a little bit. That overhang is your secret weapon for lifting these out later without any stress!

In a big bowl, cream your softened butter and sugar until it looks light and fluffy—this usually takes a couple of minutes to get those air pockets in there. Beat in your eggs one at a time, making sure each one is fully incorporated before adding the next, followed by the vanilla. In another bowl, whisk together your flour, baking powder, and salt. Now, add the dry stuff to the wet stuff gradually, mixing on low speed until the dough just comes together. Stop mixing before you see streaks! Press that dough firmly and evenly into your lined pan.

Bake it for 20 to 25 minutes. You’re looking for lightly golden edges and a toothpick coming out clean in the center. Don’t forget to let those bars cool completely! Patience here is crucial before we move to the topping, otherwise, you’ll just have a melted, sugary puddle.

Creating the Perfect Vanilla Buttercream Frosting Recipe

While those amazing bars are cooling down—and I mean completely cool, not even warm—we whip up the topping. Start by beating your softened butter by itself until it’s smooth; this prevents grainy frosting, which I can’t stand! Once it’s creamy, start adding the powdered sugar slowly, alternating with the milk and the vanilla extract. Keep beating until that vanilla buttercream frosting recipe is smooth, light, and totally spreadable. If it seems too stiff, add just a tiny splash more milk; too thin? Add another half cup of powdered sugar. It should hold a pretty shape against the cookie bar.

Frosting and Decorating Your Festive Frosted Bars

Once those bars are stone cold—and I mean it, or the frosting will run everywhere—grab an offset spatula and spread that gorgeous buttercream evenly across the whole thing. This is where the magic happens!

While the frosting is still wet, go wild with your festive sprinkles! Use all the winter colors you love.

When you’re done decorating, let that frosting set up for about 30 minutes at room temperature. Then, grab that parchment overhang and lift the whole slab out onto a cutting board. Slice into squares, and you’ve got the easiest, prettiest holiday party treats!

If you want some inspiration on other things to do with cookie dough, check out my thoughts on chewy chocolate chip cookies—sometimes you just need a perfectly chewy circle!

Tips for Perfect Soft Baked Cookie Bars Every Time

I want you to get that perfect texture—soft, slightly chewy, and definitely not dry! That’s where a few small adjustments come in handy, even with this straightforward recipe. Remember how I mentioned we aimed for a thick bar? If you decide you want super thick bars, you can definitely switch from that 9×13 inch pan to a smaller 9×9 inch pan. But heed this warning: you MUST check them early! A thicker pan needs more oven time, so start testing with a toothpick around the 30-minute mark.

If your frosting ends up looking a little too soft, especially if your kitchen is warm, pop the whole frosted pan into the fridge for about 15 minutes before slicing. That chill firms up that sweet topping beautifully without making the cookie base hard. For the best flavor and crumb structure, try to use room-temperature eggs, just like you would for my melt-in-your-mouth butter cookies. Trust me, these little details are what take a good recipe and make it truly great!

Storage and Make Ahead Christmas Desserts

One of the best things about using a one pan holiday baking method? Easy storage! These christmas sugar cookie bars are fantastic as make ahead Christmas desserts because the frosting holds up beautifully once set.

If you’re planning ahead, you can bake the cookie base and let it cool completely, then wrap it tightly in plastic wrap right in the pan. It stays fresh at room temperature for up to two days. Don’t frost it yet, though!

Once they are frosted and set, store the cut squares in an airtight container layered between sheets of wax paper for up to four days. You might find they taste even better on day two—the flavors really deepen! For more fantastic make-ahead secrets, you should browse my tips for baking ahead on my make ahead Christmas desserts page.

Variations on Your Christmas Sugar Cookie Bars

While I think this classic combination of buttery vanilla goodness and festive sprinkles is near perfect, I always encourage you to play around a little bit! Baking should reflect what you love, right? We baked these focused on that quintessential sugar cookie flavor, but there are so many easy twists you can try the next time you whip up a batch of these buttery cookie bars.

One of my favorite simple switches is getting jazzy with the flavor extracts. Don’t just stick to vanilla! Try swapping half of the vanilla extract in the cookie base for almond extract. It gives this familiar treat a little unexpected depth, making it taste almost like an old-fashioned wedding cookie. You can find out how I use almond extract in other bakes on my apple cinnamon muffins page!

Another thing people just love, especially around the holidays, is adding mix-ins. White chocolate chips work incredibly well here—they melt just enough when baking to create these creamy pockets throughout the bar. If you want to lean into that fun, colorful vibe that some of those other holiday bars offer, feel free to fold in a half cup of mini M&Ms right before you press the dough into the pan. Seriously, they bake up beautifully and add a great pop of color!

For the frosting variation, which is super popular for parties, replace some of the vanilla in the buttercream with a teaspoon of citrus zest—lemon or orange zest takes this straight to holiday brunch territory. Just make sure you use fresh zest! It brightens up the whole bar. These simple swaps ensure you never get bored with your favorite easy sugar cookie bars!

Frequently Asked Questions About Holiday Dessert Bars

I know you might have a few last-minute questions popping up as you plan your **holiday baking** schedule. That’s totally normal! When I first started making these, I had a laundry list of things I wasn’t sure about. Here are the most common things readers ask me about making the absolute best holiday dessert bars.

Can I use a different type of frosting on these christmas sugar cookie bars?

You absolutely can! While I’m obsessed with that rich, creamy vanilla buttercream—and you can sneak a peek at my alternative frosting notes in the main recipe—for something thinner and quicker, a simple powdered sugar glaze works wonders. Just mix 1 cup of powdered sugar with about 2 tablespoons of milk and 1/4 teaspoon of vanilla. Whisk it until it’s smooth, and drizzle it right over the cooled bars. It sets up faster than buttercream, too!

If you’re looking for something a little tangier, you could whip up a simple cream cheese frosting, similar to the one I use for my breakfast treats. It pairs beautifully with the sweetness of the cookie base!

What is the best way to cut these bars cleanly?

This is a game-changer, especially once you’ve added all that beautiful frosting and sprinkles! If you try to cut them when the frosting is still soft or warm, you’ll just drag the knife and smear everything. My top tip for super clean cuts is to chill the entire frosted pan in the refrigerator for at least an hour—or even better, freeze it for 30 minutes. Once they are thoroughly chilled, use a large, sharp knife dipped in hot water (wiping it clean between each cut!) for perfect, straight edges.

Estimated Nutrition for Buttery Cookie Bars

I always try to be upfront about what goes into my recipes, because knowing the nutritional breakdown helps you fit these treats into your holiday planning! Remember, this data is calculated using standard ingredient databases, so your exact results might shift a little depending on the brand of butter or sugar you use. But this gives you a really solid baseline for these wonderful buttery cookie bars.

We’re getting all the joy of a classic sugar cookie here, just in a convenient, shareable format. Keep in mind this is for one generous serving size, which I cut into 24 squares as noted in the main recipe.

  • Serving Size: 1 bar
  • Calories: 310
  • Sugar: 35g
  • Sodium: 150mg
  • Total Fat: 16g (with 9g of Saturated Fat)
  • Carbohydrates: 40g
  • Protein: 3g

It’s a holiday! Dig in and enjoy the effort you put into making these fantastic christmas sugar cookie bars for everyone you love. That’s what matters most in the kitchen!

Share Your Holiday Baking Success

Okay, now that you’ve got these gorgeous, easy christmas sugar cookie bars cooling on the counter, it’s time for the best part: sharing them! I really, truly want to know how they turned out for you. Did the sprinkles look just as festive on your platter?

Please, please leave a comment below and let me know what you thought. Was the vanilla buttercream perfect? Did you add any fun variations? Reviews and comments help me know which recipes to polish next, and they make my day!

And if you snap a picture of these amazing festive frosted bars—especially if you’ve placed them next to your hot cocoa mug—tag me on social media! Seeing your successful holiday baking pop up on my feed is the absolute icing on the cake. I’m always here to cheer you on in the kitchen. If you’re curious about my own journey and why I started sharing these recipes, you can read a bit more about me on the About Maddie Thompson page!

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Easy Christmas Sugar Cookie Bars with Vanilla Buttercream Frosting

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Make these soft, buttery Christmas sugar cookie bars for a simple, festive holiday treat. They offer all the flavor of traditional cut-out cookies without the fuss, topped with creamy vanilla buttercream and festive sprinkles.

  • Author: maddie-thompson
  • Prep Time: 20 min
  • Cook Time: 25 min
  • Total Time: 45 min
  • Yield: 24 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 cup milk (for frosting)
  • 4 cups powdered sugar (for frosting)
  • 1 teaspoon vanilla extract (for frosting)
  • 1/2 cup unsalted butter, softened (for frosting)
  • Festive Christmas sprinkles (for topping)

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang for easy removal.
  2. In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.
  3. Beat in the eggs one at a time, then mix in the vanilla extract.
  4. In a separate bowl, whisk together the flour, baking powder, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  6. Press the dough evenly into the prepared 9×13 inch pan.
  7. Bake for 20 to 25 minutes, or until the edges are lightly golden and a toothpick inserted in the center comes out clean.
  8. Let the bars cool completely in the pan on a wire rack. This step is important before frosting.
  9. Prepare the frosting: In a medium bowl, beat the softened butter until smooth. Gradually add the powdered sugar, alternating with the milk and vanilla extract, beating until the frosting is smooth and creamy.
  10. Spread the vanilla buttercream frosting evenly over the cooled cookie bars.
  11. Immediately decorate the top with your favorite festive Christmas sprinkles.
  12. Once the frosting is set, use the parchment paper overhang to lift the bars from the pan. Cut into squares for serving.

Notes

  • For a slightly tangier frosting, substitute 2 tablespoons of the milk with cream cheese.
  • You can make these bars ahead of time and store them, unfrosted, at room temperature for up to two days. Frost them just before serving.
  • If you want a thicker cookie bar, use a 9×9 inch pan instead, but adjust the baking time, checking around 30-35 minutes.

Nutrition

  • Serving Size: 1 bar
  • Calories: 310
  • Sugar: 35g
  • Sodium: 150mg
  • Fat: 16g
  • Saturated Fat: 9g
  • Unsaturated Fat: 7g
  • Trans Fat: 0.2g
  • Carbohydrates: 40g
  • Fiber: 0.5g
  • Protein: 3g
  • Cholesterol: 55mg

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