
Buttery sugar cookie bars topped with silky buttercream and festive red, green, and white nonpareil sprinkles — perfect for holiday trays and gift boxes.

This pan of Christmas sugar cookie bars has been my answer to holiday baking chaos for years. I first developed this version on a busy December afternoon when I wanted the familiar taste of cut-out sugar cookies but without fussing over chilling dough, rolling, and cutting shapes while the kids pressed sticky sprinkles all over the kitchen. These bars capture the same tender crumb and vanilla-almond flavor of classic sugar cookies, then get a generous layer of smooth buttercream and a bright shower of red, green, and white nonpareils that make them undeniably festive. They slice neatly into giftable portions and hold up well on cookie platters.
I remember handing a tray of these to our neighbors one snowy evening; the bars disappeared so fast that someone called back within an hour asking for the recipe. What I love most is the contrast between the slightly crisp edges and the soft, almost cake-like interior, punctuated by tiny pops of sprinkles. The frosting melts into the top just enough to keep the bars tender while providing that indulgent, buttery finish everyone expects at holiday gatherings. These are a go-to whenever I need something pretty and reliable that travels well.
From the very first batch I tested, family members remarked on the buttery, tender crumb and the bright, clean flavors from the clear vanilla and almond extract. They’re the sort of treat that tastes festive yet familiar, and I often get asked whether I used a special flour or technique; the secret is simple: soft butter, room-temperature eggs, and not overworking the dough.
My favorite part is how reliably these bars travel. I have sent them in care packages and to potlucks; the frosting holds up without weeping when containers are stacked. One holiday I learned the hard way to clear the top shelf of the car before delivering a tray, because the whole family insisted I bring a second batch after the first vanished during a neighborhood tasting.
Store unfrosted bars tightly wrapped at room temperature for up to two days, or refrigerate once frosted for up to five days. For longer storage freeze unfrosted bars in a single layer until firm, then wrap individually and place in a freezer-safe container. To freeze frosted bars, flash freeze on a tray until the frosting firms and then wrap well. Reheat refrigerated bars at room temperature for 20 minutes before serving to soften the buttercream. Use airtight containers to prevent sweetness transfer from other foods.
To make these dairy-free, substitute a block-style vegan butter for the salted butter and use a nondairy heavy cream alternative such as full-fat coconut cream in the frosting; flavor will shift slightly. For gluten-free, swap the flour for a 1-to-1 gluten-free all-purpose blend that contains xanthan gum and add an extra tablespoon of cornstarch for tenderness. If you prefer no almond flavor, omit the almond extract and increase vanilla by 1/2 teaspoon for balance.
Serve these bars on a festive platter with other holiday bites such as salted chocolate truffles, spiced nuts, and ginger snaps to balance sweetness. For a seasonal twist, pair a warm slice with a cup of mulled cider or a strong coffee. Garnish plated bars with a small dusting of powdered sugar or a tiny sprig of fresh rosemary for an upscale look at holiday gatherings and cookie exchanges.
Sugar cookies have roots in European holiday baking traditions where simple butter-sugar-egg doughs were shaped and decorated for celebrations. These bars are a modern adaptation that keeps the familiar flavors while simplifying technique, a trend common in American home baking where ease and presentation are both valued. The use of clear vanilla preserves the bright color of the frosting, a tip borrowed from professional bakers who frost items intended for display.
Change the sprinkles and extracts for different holidays: use pastel nonpareils and a touch of lemon zest for spring, or swap the almond extract for peppermint and use red-and-white sprinkles for a peppermint theme. In autumn add 1/2 teaspoon cinnamon to the dough and top with cinnamon-sugar before baking for a warm spice note. You can also fold finely chopped nuts into the buttercream for texture in non-allergy-sensitive crowds.
Make the bars a day ahead and refrigerate unfrosted; prepare the buttercream the morning of serving and spread just before guests arrive to keep texture fresh. If assembling gift boxes, wrap bars individually in parchment and tie with baker's twine. Use disposable 9 by 9 pans for quick transport to parties and frost in the host’s kitchen to avoid temperature-related frosting issues.
These Christmas sugar cookie bars combine simplicity and showmanship, perfect for busy hosts who still want a homemade touch. They slice beautifully, travel well, and have become my go-to whenever I want something that looks festive without a lot of last-minute fuss. Bring a tray and watch them disappear.
Use room-temperature eggs so they incorporate easily and the dough stays smooth.
Do not overmix the flour additions to keep the bars tender and avoid a tough texture.
Allow bars to cool completely before frosting to prevent melting or sliding of the buttercream.
This nourishing christmas sugar cookie bars recipe is sure to be a staple in your kitchen. Enjoy every moist, high protein slice — it is perfect for breakfast or as a wholesome snack any time.
This Christmas Sugar Cookie Bars recipe makes perfectly juicy, tender, and flavorful steak every time! Serve with potatoes and a side salad for an unforgettable dinner in under 30 minutes.

Preheat the oven to 350 degrees Fahrenheit. Line a 9 x 9-inch baking dish with parchment and spray lightly. Whisk together flour, cornstarch, and baking powder and set aside.
Beat softened butter and granulated sugar on high until pale and fluffy, about 1 minute. Add vanilla and almond extract and beat until combined.
Add eggs one at a time on low speed, then add dry ingredients in two additions on medium-low, mixing until just combined. Fold in 4 tablespoons sprinkles.
Spread batter evenly in the prepared pan and bake for 20 to 22 minutes until lightly golden and a toothpick comes out clean. Cool completely.
Beat softened butter with clear vanilla and almond extract. Add powdered sugar gradually, alternating with heavy cream until smooth and spreadable. Whip until silky.
Remove cooled bars from the pan using the parchment sling, spread buttercream evenly, sprinkle with nonpareils, and slice into 1 1/2 x 3-inch bars for 18 servings.
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