Christmas Cookie Bars

The edges turn golden first, while the middle still looks soft, and that’s the moment that can make a pan of cookie bars feel uncertain. These Christmas cookie bars bake…

By Ava
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November 14, 2026
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Reading time: 9 min

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The edges turn golden first, while the middle still looks soft, and that’s the moment that can make a pan of cookie bars feel uncertain. These Christmas cookie bars bake as one thick slab, so you don’t have to portion individual cookies or keep track of multiple trays. The red and green candy-coated chocolates bring color to every bite, and white chocolate chips add creamy pockets throughout. One 9×13-inch pan makes 24 servings, which is handy when you want a festive treat that’s easy to cut and share.

I like the contrast between the candies folded into the dough and the few pressed on top. The ones inside give you colorful chocolate in each bite; the ones on the surface make the bars look cheerful before you even slice them. Brown sugar keeps the cookie base tender, while the granulated sugar helps it bake up with golden edges. Let the pan cool completely before cutting, and you’ll have neat bars with soft centers and bright candy on top.

Christmas Cookie Bars with colorful candy topping

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Kitchen Note

Wait until the bars are completely cool before lifting them from the pan. Cutting while the middle is still warm can press the soft crumb instead of giving you clean edges.

Save these Christmas Cookie Bars for a holiday bake — colorful candy-coated chocolates, soft cookie centers, and a simple 9×13-inch pan.

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Why the candies on top make each bar look more festive

Folded-in candy gives the cookie base its little bursts of color, but the dough covers most of those pieces as you spread it in the pan. A few extra candies pressed onto the surface stay visible after baking, so the finished slab looks colorful before it’s cut. That small detail matters more in a bar cookie than in individually shaped cookies, where each portion is already exposed on several sides.

There’s also a practical benefit: the top candies give you a visual guide as you portion the cooled slab. You can aim for cuts that leave color across the bars instead of ending up with a few plain-looking pieces and a candy-heavy corner. Keep the extra pieces on the surface rather than mixing them all into the dough. The inside stays evenly dotted, and the top gets the bright finish that makes these feel like Christmas cookies.

What each ingredient contributes to these cookie bars

Christmas Cookie Bars with soft golden centers

All-purpose flour — It gives the bars their structure without making them as delicate as a cake. Don’t replace it with self-rising flour; baking soda and salt are already measured separately. If you need a gluten-free version, a cup-for-cup gluten-free baking blend made for replacing wheat flour is the most practical swap, though the texture may be a little more tender.
Baking soda — This is the leavener that helps the cookie dough rise and brown. Check that it’s fresh if your bars seem unusually dense; baking soda that has lost its strength won’t give the same lift.
Unsalted butter — Softened butter creams smoothly with the sugars and gives the bars their familiar buttery cookie texture. Use a brand you like, but don’t melt it; melted butter changes how the dough comes together.
Light brown and granulated sugars — Brown sugar brings moisture and a gentle molasses note, while granulated sugar balances it and supports golden edges. Dark brown sugar can stand in for light brown if that’s what you have, but expect a deeper molasses flavor.
Eggs — They bind the dough and help it set into sturdy bars. Use large eggs, and add them one at a time so they blend into the creamed butter and sugar instead of leaving the mixture uneven.
Vanilla extract — Vanilla rounds out the buttery dough and works with both kinds of chocolate. Pure vanilla is lovely, but a less expensive vanilla extract is fine here because the candy and white chocolate also bring plenty of flavor.
Red and green candy-coated chocolates — Their firm shells hold their color in the dough, and the chocolate centers give each bite a little crunch followed by a melt. Use fresh candies that still have crisp coatings; crushed or stale pieces won’t give the same clean color.
White chocolate chips — These add a sweeter, creamy contrast to the candy-coated chocolates. Choose chips that taste good on their own; there’s no need for a premium brand, but avoid chips with a waxy texture.

Mixing and baking the bars without drying them out

Prepare the pan before mixing

Heat the oven to 350°F. Coat a 9×13-inch baking pan with nonstick cooking spray, then line it with parchment paper and leave an overhang on two sides. Those parchment handles give you a way to lift the cooled slab out cleanly. Whisk the flour, baking soda, and kosher salt together in a medium bowl so the leavener is distributed before it meets the wet ingredients.

Cream the butter and sugars until smooth

In a large bowl, beat the softened butter with the light brown sugar and granulated sugar until creamy, about 2 minutes. The mixture should look blended rather than like separate streaks of butter and sugar. Beat in the eggs one at a time, then add the vanilla. Adding the eggs individually helps the mixture come together evenly instead of turning slick or separated.

Stop mixing as soon as the flour disappears

Add the flour mixture and mix on low just until no dry streaks remain. The dough will be thick, and that’s what you want for bars that hold their shape after baking. If you keep mixing once the flour is incorporated, the bars can turn tougher than they need to be. Fold in the candy-coated chocolates and white chocolate chips gently so the pieces stay intact.

Spread, top, and bake to the right cue

Spread the dough evenly in the prepared pan; an uneven layer can leave one side more done than the other. Press the extra candies onto the top, then bake for 24 to 28 minutes. Look for golden edges and a center that is just set, not wet-looking. The middle should still seem soft, so don’t wait for the whole surface to turn deeply golden.

Cool the slab before slicing

Set the pan on a rack or other heat-safe surface and let the bars cool completely in the pan, about 1 hour. The center continues to settle as it cools, so an early cut can leave you with soft, compressed edges. Once cool, use the parchment overhang to lift the slab out and cut it into bars.

Two simple ways to adapt these Christmas cookie bars

Make a gluten-free pan

Replace the all-purpose flour with a cup-for-cup gluten-free baking blend formulated for baking, using the same measure. The bars may be a little more tender or crumbly, so let them cool fully before lifting and cutting.

Make them less sweet

Leave out the white chocolate chips and keep the candy-coated chocolates. The bars will have fewer creamy-sweet pockets and a more straightforward cookie-and-chocolate bite.

Storage and Reheating

Refrigerator: These don’t need refrigeration. Keep them in an airtight container at room temperature for up to 4 days; if your kitchen is warm, refrigerate them for up to 1 week, though the bars will feel firmer when cold.
Freezer: Freeze completely cooled bars in a sealed freezer-safe container, with parchment between layers, for up to 3 months. Thaw at room temperature before serving.
Reheating: They’re best at room temperature. If you want a warm bar, microwave it briefly until just soft; longer heating can melt the candy coating and white chocolate.

Questions that come up with Christmas Cookie Bars

Can I use salted butter instead of unsalted butter?+

Unsalted butter gives you control over the salt in the dough. Salt levels vary between brands of salted butter, so the bars may taste saltier; unsalted butter is the more reliable choice for this formula.

How do I know when the center is just set?+

The edges should be golden, and the middle should no longer look like loose, wet dough. It can still look soft when you take the pan out; cooling finishes setting the center without pushing the edges too far.

Can I use a different kind of chocolate chip?+

Yes. Semisweet chocolate chips work in place of white chocolate chips and make the bars less sweet with a more pronounced cocoa flavor. Keep the candy-coated chocolates for the red and green color.

Can I use only cooking spray and skip the parchment?+

You can bake the dough in a sprayed pan, but lifting out a full slab will be harder and the edges are more likely to stick. The parchment overhang gives you handles, which makes it easier to move the cooled bars before slicing.

How do I keep the bars from crumbling when I cut them?+

Let the slab cool completely before lifting it from the pan and slicing. If it’s cool and still unusually crumbly, check that the flour was measured accurately and that the bars weren’t baked past the point when the center was just set.