Oh my gosh, who actually has time in December to roll out dough, cut hundreds of little shapes, and then decorate every single one? I used to stress myself sick trying to keep up with traditional cut-out cookies for our big family potlucks. Seriously, my stress level was higher than the pile of dirty dishes! That’s why these christmas sugar cookie bars became my absolute holiday savior. I’m talking about the exact, buttery, vanilla-forward taste of a perfect sugar cookie, but baked flat in a sheet pan so you just slice and go. We haven’t made cut-outs since I perfected this recipe three years ago! If you want that chewy, tender, festive holiday dessert without the headache, you’ve found the holy grail. Trust me, these bars deliver.

Why These are the Best Christmas Sugar Cookie Bars for Holiday Baking Recipes
When you introduce these Christmas sugar cookie bars into your rotation, you instantly upgrade your holiday dessert game. They nail that soft texture we all crave, which is why they are considered among the very best holiday dessert bars out there. Forget dry, stiff cookies! These are dense, buttery, and absolutely perfect for feeding a crowd. They are the definition of time saving Christmas desserts.
Soft Baked Cookie Bars Texture Guarantee
My biggest promise to you is the texture. We are aiming for that perfectly soft center that just melts a little when you bite into it, not the snap of a gingerbread cookie. That softness comes down to careful mixing and pulling them out right when they set. Seriously, bake them for even one minute too long, and you’ve lost that gorgeous chew!
Simple Holiday Sweets for Busy Schedules
Think about cookie exchanges! Rolling dough, cutting stars, re-rolling scraps—it takes forever. These sheet pan cookies for Christmas skip all that hassle. You press the dough in one pan, bake, frost, and cut. It saves me hours, meaning I actually have time to sit down with a cup of coffee instead of panicking about finishing the icing!
Gathering Ingredients for Your Christmas Sugar Cookie Bars
Okay, let’s talk supplies, because using the right amounts here makes these buttery sugar cookie bars sing. Don’t panic, it’s mostly pantry staples, but make sure your butter is truly softened for the dough process—that’s key to that wonderful texture!
Cookie Bar Base Ingredients
For the actual dough, you absolutely need one full cup of unsalted butter, softened up nice and good, along with one and a half cups of granulated sugar. You’ll mix these with two large eggs and a whole tablespoon of vanilla. Remember to have three cups of all-purpose flour ready, along with just one teaspoon of baking powder and a half teaspoon of salt. We finish the dough with a half cup of milk.
Vanilla Buttercream Frosting for Frosted Sugar Cookie Bars
When we switch gears to the topping, we need different amounts, so pay attention! For the vanilla buttercream frosting for bars, grab a half cup of softened butter—separate from the dough butter, please! Then you’ll measure out one cup of powdered sugar for the frosting, plus two tablespoons of milk or cream and one little teaspoon of vanilla extract. And finally, grab all those festive sprinkles you’ve been hoarding!
Step-by-Step Instructions for Perfect Christmas Sugar Cookie Bars
This is where the magic happens, and honestly, it’s so much easier than making a giant sheet of dough that you have to wrestle with. We’re sticking to the basics here, ensuring we get that beautiful, rich vanilla flavor in every single bite. Remember, this recipe is fast, but you still need to respect the steps, especially when it comes to mixing!
Preparing and Baking the Buttery Sugar Cookie Bars
First things first, crank that oven up to 350°F (175°C) and get your 9×13 inch pan greased and floured—or use parchment paper if you’re nervous about sticking! Start by taking that softened butter and one and a half cups of sugar and cream them together until they look light and almost fluffy. Then, drop in those two eggs one at a time, mixing well after each addition, followed by the tablespoon of vanilla. Now, go slow with the dry stuff! Whisk your flour, baking powder, and salt together separately. Add your dry mix alternately with the half cup of milk to the wet ingredients. And here’s the big secret from the pros: mix only until everything just disappears. If you overmix this dough, you will get tough buttery sugar cookie bars, and we don’t want that! Press the dough evenly into your pan and bake it for only 20 to 25 minutes. Look for edges that are just starting to turn golden; a toothpick test should come out clean!
Making the Creamy Vanilla Buttercream Frosting
While those beauties cool down—and you MUST let them cool completely, otherwise you’ll just have melted vanilla soup—we whip up that amazing topping. Take that half cup of softened butter and beat it until it’s silky smooth. Now, add that single cup of powdered sugar slowly, mixing gently at first so you don’t create a sugar cloud disaster! Once it’s combined, add the two tablespoons of milk and the teaspoon of vanilla extract. Keep beating it until it looks perfectly creamy, just like the richest cloud you can imagine. If it seems too thick to spread easily, don’t be scared—just add another teaspoon of milk until it’s spreadable.
Decorating Cookie Bars with Sprinkles
This is the fun part where you make them festive! Make sure those cookie bars are stone cold before you try frosting them. If they are even slightly warm, your gorgeous frosted sugar cookie bars will slide right off. Once the buttercream is spread evenly across the top—use an offset spatula for a nice, flat look—you need to move fast with the festive stuff! Throw those colorful assorted festive sprinkles on immediately. They need to stick to the frosting while it’s still soft, or they will just roll right off once it crusts over. After the sprinkles are on, let that set up for about 30 minutes before you grab a knife to cut them into squares!

Tips for Success with Your Christmas Sugar Cookie Bars
I’ve made this recipe at least ten times over the holidays, so I have learned a few tricks to make sure these bars become award-winners at your next party. Consistency is everything when it comes to holiday baking, and these little pointers really help nail that perfect texture and presentation every single time. You want to feel confident when you share these Christmas sugar cookie bars!
Ingredient Substitutions for Christmas Sugar Cookie Bars
If you want to try something slightly different than the standard sweet dough, I have a fun little secret! Remember how I said the original recipe was developed out of necessity? Well, if your fridge has some sour cream hanging around, try swapping out a quarter cup of the milk in the dough for it. It gives the bar a slightly tangy, richer flavor that pairs beautifully with the vanilla frosting. Also, if you totally hate the idea of thick buttercream, you can use a thin glaze instead. Just mix two cups of powdered sugar with about four tablespoons of milk and a splash of vanilla—it dries smoother if you prefer that look.
Achieving the Perfect Cut
This is a huge debate in my house! If you wait until the bars are completely cool before cutting them, you get the absolute cleanest square edges, which looks fantastic, especially with the perfectly set frosting. However, cutting them cold means you might need a really sharp, big knife because the buttery base can sometimes crumble a bit. My compromise? I cut them while they are still slightly warm—maybe only cooled for thirty minutes. They come out of the pan much easier, and while the edges aren’t razor sharp, they look rustic and taste incredible. Frost them only when they are fully room temperature, though!

Storage and Make-Ahead Tips for Festive Holiday Treats
One of the best things about these Christmas sugar cookie bars is that you can make them way ahead of time! If you’re making them entirely unfrosted, they stay super fresh stored airtight at room temperature for a good four or five days. They taste just as good, honestly. But if you’ve already gone to the trouble of icing them, I definitely recommend waiting until the last day you plan to serve them before you frost them.
If you must frost early—maybe you’re transporting these amazing festive holiday treats—store the entire pan uncovered in the fridge for a few hours until the buttercream firms up, and then cover it loosely. The downside is that the humidity in the fridge can make the vanilla buttercream soften a little faster once it warms up again, so try to keep them out of the cold as much as possible!
Variations on Classic Christmas Sugar Cookie Bars
Just because these sugar cookie dessert squares are based on a classic doesn’t mean we can’t have a little fun with them during the holidays! The basic dough is so stable and buttery; it’s just begging for some creative flavor additions. These little tweaks make it easy to offer a twist on a theme without having to whip up a whole separate batch of dough.
Flavor Twists for Your Cookie Bars
If you want a deeper, warmer vanilla note, try swapping out half of the vanilla extract for almond extract—it gives cookies such a wonderful, nostalgic scent. For something brighter, finely grate the zest of one lemon right into the dough when you start creaming the butter and sugar. Or, the ultimate holiday hack? Swap the milk in the cookie base for eggnog if you have some leftovers; it keeps them wonderfully rich!
Alternative Toppings Beyond Vanilla Buttercream
While I live for that classic vanilla buttercream, sometimes you need a different finish! If you want a real hard shell, switch to royal icing and color it festive green or red. It dries smooth and makes cutting easier. Another festive idea is to keep the buttercream the same but fold in about a half-cup of finely crushed peppermint candy canes right before you spread it on the cooled bars. That crunch and mint combination is just amazing!
Serving Suggestions for Your Christmas Sugar Cookie Bars
These easy cookie bars are definitely creeping their way to the top of my “Best Christmas cookie recipes” list, largely because they pair so well with everything! For a big Christmas party, nothing beats having these squares ready to go alongside a big mug of hot chocolate. I always serve them piled high on a tiered platter so people can see all those pretty sprinkles.

They actually travel really well, too! If you’re taking these to a cookie exchange, just stack them in layers separated by parchment paper in a big plastic container. They look just as impressive as any fancy rolled cookie, but you made them in half the time. That’s what I call winning the holidays!
Frequently Asked Questions About Christmas Sugar Cookie Bars
It’s totally normal to have a few questions when you switch from traditional cookies to these easy-to-handle bars, especially around the holidays when everything needs to go perfectly! I’ve gathered the things people ask me most often about getting these easy sugar cookie recipe bars just right. Don’t stress; these little fixes will ensure you have the best result for your cookie tin!
Can I make these Christmas sugar cookie bars ahead of time?
Absolutely! That’s one of the main reasons I love them for my festive holiday treats schedule. You can bake the bars and let them cool completely, storing them in a sturdy, airtight container at room temperature for up to three days ahead of your party. If you can wait until the day before or the morning of your event to frost them, that’s ideal. Frosting them right before serving keeps the sprinkles looking super vibrant and prevents the buttercream from absorbing any fridge odors.
Why are my bars dry? (Troubleshooting)
Oh, that’s the saddest thing to discover! Usually, dry bars come down to two things: either you packed too much flour into your measuring cup, or you left them in the oven an extra five minutes. Remember how I stressed not overmixing the dough? Overmixing develops gluten, which makes things tough, not soft. Always pull them out the second the toothpick comes out with just moist crumbs attached, not bone dry!
What is the best way to get contest winning cookie bars?
To elevate these from ‘great’ to ‘contest winner,’ focus on the quality of your flavorings. Use a really good, high-quality pure vanilla extract—it makes a huge difference in that classic sugar cookie taste. Then, when you are beating that buttercream, make sure you are whipping it for a full extra minute after it looks ‘done.’ Getting that frosting totally silky smooth and spreading it perfectly evenly is the visual element that always catches the judge’s eye!
Estimated Nutritional Data for These Cookie Bars
So, how do these amazing, buttery christmas sugar cookie bars stack up nutritionally? I always look at this part just to keep track, but honestly, during the holidays, I’m more worried about how fast they disappear! These numbers are just my best estimate based on the ingredients we use in the recipe. Remember, this is for one square, which is a pretty generous slice!
A single serving of these frosted sugar cookie bars comes out to roughly 280 calories. You’re looking at about 15 grams of fat, with 9 grams coming from saturated fat—that’s the butter doing its job to make them taste rich! We have about 35 grams of carbohydrates and 30 grams of that sweet, sweet sugar, but we also sneak in 3 grams of protein, which is kind of nice.
It’s important to know that because we make these with real butter and full sugar, these are treats, not an everyday snack! These totals will change slightly depending on how thick your frosting layer is, or if you chose to swap out the milk for sour cream in the base dough. These are just averages, so take them with a grain of salt and a whole lot of holiday cheer! Always remember this is an estimate, and actual values can vary wildly based on the exact brands and measurements you use when baking.
PrintEasy Christmas Sugar Cookie Bars with Vanilla Buttercream
Make soft, buttery sugar cookie bars that taste like traditional cut-out cookies but are much faster to prepare. These bars are topped with a simple vanilla buttercream and festive sprinkles, perfect for holiday parties.
- Prep Time: 20 min
- Cook Time: 25 min
- Total Time: 45 min
- Yield: 24 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 cup unsalted butter, softened
- 1 1/2 cups granulated sugar
- 2 large eggs
- 1 tablespoon vanilla extract
- 3 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon salt
- 1/2 cup milk
- 1 cup powdered sugar (for frosting)
- 1/2 cup unsalted butter, softened (for frosting)
- 2 tablespoons milk or heavy cream (for frosting)
- 1 teaspoon vanilla extract (for frosting)
- Assorted festive sprinkles (for topping)
Instructions
- Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan.
- In a large bowl, cream together 1 cup softened butter and 1 1/2 cups granulated sugar until light and fluffy.
- Beat in the eggs one at a time, then mix in 1 tablespoon of vanilla extract.
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Gradually add the dry ingredients to the wet ingredients, alternating with the 1/2 cup of milk, mixing until just combined. Do not overmix.
- Press the dough evenly into the prepared 9×13 inch pan.
- Bake for 20 to 25 minutes, or until the edges are lightly golden and a toothpick inserted in the center comes out clean.
- Let the bars cool completely in the pan on a wire rack.
- Prepare the frosting: Beat the 1/2 cup softened butter until smooth. Gradually add the powdered sugar, mixing until combined. Add 2 tablespoons of milk and 1 teaspoon of vanilla extract. Beat until the frosting is creamy and smooth. Add more milk, one teaspoon at a time, if the frosting is too stiff.
- Spread the vanilla buttercream evenly over the cooled cookie bars.
- Immediately decorate with your favorite festive sprinkles before the frosting sets.
- Once the frosting is set, cut the bars into squares for serving.
Notes
- For a slightly tangier flavor, substitute 1/4 cup of the milk with sour cream in the cookie dough.
- If you prefer a thinner glaze instead of buttercream, mix 2 cups powdered sugar with 4 tablespoons milk and 1/2 teaspoon vanilla until smooth, then drizzle over the cooled bars.
- Cut the bars while they are slightly warm for easier removal from the pan, but wait until completely cool to frost them for the best frosting texture.
Nutrition
- Serving Size: 1 bar
- Calories: 280
- Sugar: 30
- Sodium: 120
- Fat: 15
- Saturated Fat: 9
- Unsaturated Fat: 6
- Trans Fat: 0
- Carbohydrates: 35
- Fiber: 1
- Protein: 3
- Cholesterol: 50























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