Cranberry crumble bars give you the flavor of a cranberry pie without the rolling pin, the second crust, or the sink full of dishes.
A buttery shortbread base, a cranberry filling brightened with orange, and a sweet vanilla glaze all come out of one 8 x 8 pan, and a single dough is used for both the crust and the crumble on top.
This recipe was published on December 20, 2023, and it was built for the busy stretch of the year when everyone wants dessert and nobody wants a project. Heather Mubarak wrote it as a friendlier answer to pie.
Instead of two crusts, a rolling pin, and a dusting of flour across the counter, you press one shortbread dough into the pan, hold back part of it for the topping, and let the oven handle the rest.
The finished bars taste like the best parts of a cranberry pie. The shortbread is buttery and firm enough to hold its shape in your hand, the filling stays tart and juicy, and the vanilla glaze adds a soft sweetness that ties everything together.
Because the same dough covers the base and the crumble, there is no second bowl of streusel to mix and no pastry blender to dig out of the drawer.
I brought these to a holiday potluck where three other people had already signed up for pie, and the pan came home empty. They look festive on a holiday platter, yet they are casual enough to keep on the counter for everyday coffee.
That is the real appeal here: one pan, a short ingredient list, and a dessert that feels special without demanding a special occasion.
Ingredients
The shopping list is short and ordinary, which is a big part of why these bars get made so often.
All purpose flour gives the shortbread its sturdy structure, butter brings the flavor, and a combination of granulated sugar and packed light brown sugar adds sweetness along with a little chew. One egg binds the dough, and vanilla rounds out the taste.
For the fruit, fresh or frozen cranberries both work well. I keep a bag of cranberries in the freezer through the winter so a batch is never more than an afternoon away. Orange zest brightens the tartness of the berries, and a tablespoon of orange juice adds just enough liquid to bring the filling together.
A few small details matter. The butter should sit out until it is genuinely at room temperature, because cold butter will not cream properly with the sugars. The flour is spooned into the cup and leveled off, which keeps the dough from turning dry.
And the vanilla is worth choosing carefully, since you taste it in the dough, the filling, and the glaze.
Component
Ingredients
Shortbread crust and crumble
1 cup unsalted butter at room temperature, 1/2 cup granulated sugar, 1/2 cup packed light brown sugar, 1 large egg at room temperature, 2 teaspoons vanilla, 3 1/4 cups all purpose flour, spooned and leveled, 3/4 teaspoon baking powder, 1 teaspoon cinnamon, 1/4 teaspoon kosher salt
3/4 cup powdered sugar, sifted, 4 tablespoons whole milk or heavy cream, 1/2 teaspoon vanilla
How to make cranberry crumble bars
This dough comes together in a single bowl, so the method is mostly about mixing with a light hand and giving the crust a short first bake before the fruit goes on top.
Set the oven to 350°F and line an 8 x 8 baking pan with parchment paper before you begin. The recipe makes 16 squares and takes about 15 minutes to prepare, with roughly an hour of oven time.
Detail
Value
Prep time
15 minutes
Cook time
1 hour
Total time
1 hour 15 minutes
Servings
16
Yield
16 squares
Oven temperature
350°F
Here is the full method, step by step.
In the bowl of a stand mixer fitted with the paddle attachment, cream together the butter, the granulated sugar, and the packed light brown sugar until the mixture is light and fluffy, about 3 minutes. Scrape down the sides of the bowl.
Add the egg and the vanilla, and mix to combine well. Scrape down the sides of the bowl again.
In a separate bowl, whisk together the flour, the baking powder, the cinnamon, and the kosher salt.
Add the dry ingredients to the butter mixture and mix just until the dough starts to pull away from the sides of the bowl. Do not overmix. Stop the mixer as soon as the dough comes together.
Set aside roughly 2 cups of the dough, loosely packed, to use later on top of the crumble.
Press the remaining shortbread dough into the pan lined with parchment paper. Use your hands or the flat side of a measuring cup to press it evenly into the corners.
Bake at 350°F for 15 minutes, until the edges are slightly golden brown and the center is just set. Do not overbake this layer.
Remove the pan from the oven and let the crust cool slightly while you prepare the cranberry filling.
In a large bowl, mix together the cranberries, the sugar, the cornstarch, the orange zest, the orange juice, and the vanilla. Pour the cranberry mixture over the partially baked crust.
Use your hands to break the reserved 2 cups of dough into smaller, flat pieces. Place them randomly on top of the filling, leaving space between the pieces so the cranberries can peek through.
Bake for about 45 minutes. Cover the top of the pan with aluminum foil for the last 10 to 15 minutes of baking so the crumble does not turn too dark.
Remove the bars from the oven and set the pan on a wire rack. Cool completely before adding the vanilla glaze.
For the glaze, whisk together the sifted powdered sugar, the milk or heavy cream, and the vanilla. The glaze should be thin enough to run off a fork, but not so thin that it turns transparent.
If it is too thick, add a little more milk. If it is too thin, whisk in more powdered sugar. Drizzle the glaze over the top of the cooled bars, then slice into squares.
Why hold back 2 cups of dough? Because the crumble topping is the same shortbread you pressed into the pan. Setting that portion aside before you build the base means you get a soft, buttery lid without mixing anything extra.
Break the reserved dough into flat shards with your fingers rather than tight balls. Flat pieces bake into an even crumble, and the gaps you leave are what let the cranberry filling show through.
The first bake matters more than it looks. Fifteen minutes at 350°F sets the bottom of the shortbread just enough to hold a wet filling without turning soggy. Pull it early and the base stays raw underneath. Push it longer and it dries out before the fruit ever arrives.
The foil near the end is worth the small effort. The crumble topping is already sweet and buttery, and 45 minutes of direct heat is a long time for a thin layer of dough. Covering the pan for the last 10 to 15 minutes keeps the top golden instead of dark while the cranberries finish softening underneath.
Cooling is not optional either. A hot bar slides apart when you cut it, and the glaze melts straight into the filling. Let the pan rest on the wire rack until the bars reach room temperature, then glaze and slice.
One reminder that saves batches: do not overbake either layer. The crust should be just set after its 15 minutes, and the finished bars should stay soft under the crumble rather than firm and dry.
These bars are at their best at room temperature, once the filling has set and the glaze has firmed up.
I like a square with coffee in the afternoon, and at the holidays I set the pan out with a stack of small plates so people can help themselves.
A spoon of lightly sweetened whipped cream on the side is a nice touch if you want to dress them up.
How to store cranberry crumble bars
Once the glaze has set, store the bars tightly covered at room temperature, where they keep well for up to 4 days. They can also be refrigerated or frozen if you want to stretch them further.
If you plan to freeze them, do it before the vanilla glaze goes on. Defrost at room temperature, then glaze the bars just before serving so the top stays clean and glossy.
The texture holds up nicely either way, and the tartness of the cranberries keeps the bars from tasting heavy after a day or two on the counter.
Looking for more easy and delicious bar recipes, you’ll love these:
If cranberry crumble bars earn a permanent spot in your rotation, there are plenty of other bar recipes worth a look:
Chocolate Cream Pie Bars
Pecan Pie Bars
Pumpkin Pie Bars
Snickerdoodle Bars
Peanut Butter S’mores Bars
Christmas Sugar Cookie Bars
They all follow the same easy idea: one pan, a short ingredient list, and a sliceable square at the end.
FAQs
Can I use frozen cranberries for cranberry crumble bars?
Yes, frozen cranberries work perfectly in this recipe. Use 2 1/2 cups of frozen cranberries straight from the freezer without thawing, and mix them with the sugar, cornstarch, orange zest, orange juice, and vanilla as directed. The frozen berries hold their shape well during baking and provide the same delicious tart flavor as fresh.
How do you keep cranberry crumble bars from getting soggy?
Pre-baking the shortbread crust is the key to preventing soggy bars. Bake the pressed crust at 350°F for 15 minutes until the edges are lightly golden and the center is just set before adding the cranberry filling. Additionally, the cornstarch in the filling helps thicken the berry juices so they don't soak into the crust.
How long do cranberry crumble bars last and how should they be stored?
Cranberry crumble bars can be stored tightly covered at room temperature for up to 4 days. They may also be refrigerated or frozen for longer storage. If freezing, do so before adding the vanilla glaze; thaw the bars at room temperature and glaze them just before serving for the best texture and appearance.
Do I need to pre-bake the crust for cranberry bars?
Yes, pre-baking the crust is essential for this cranberry crumble bar recipe. Bake the pressed shortbread dough at 350°F for 15 minutes, just until the edges are slightly golden and the center is set. This step ensures a firm, buttery base that can support the moist cranberry filling without becoming mushy.
Cranberry Crumble Bars Cranberry crumble bars give you the flavor of a cranberry pie without the rolling pin, the second crust, or the sink full of dishes. A buttery shortbread base, a cranberry filling brightened with orange, and a sweet vanilla glaze all come out of one 8 x 8 pan, and a single dough is used for both the crust and the crumble on top.
Ingredients
Scale
Shortbread Crust 1 cup unsalted butter, room temperature 1/2 cup granulated sugar 1/2 cup light brown sugar, packed 1 large egg, room temperature 2 teaspoons vanilla 3 1/4 cups all-purpose flour, spooned and leveled 3/4 teaspoon baking powder 1 teaspoon cinnamon 1/4 teaspoon kosher salt
Cranberry Filling 2 1/2 cups fresh or frozen cranberries 2/3 cup granulated sugar 1 tablespoon cornstarch 1 tablespoon orange zest 1 tablespoon orange juice 1 teaspoon vanilla
Vanilla Glaze 3/4 cup powdered sugar, sifted 4 tablespoons whole milk or heavy cream 1/2 teaspoon vanilla
Instructions
Method 1-In the bowl of a stand mixer: In the bowl of a stand mixer fitted with the paddle attachment, cream together the butter and sugars until light and fluffy, about 3 minutes. Scrape down the sides of the bowl. 2-Add the egg and vanilla, mixing to: Add the egg and vanilla, mixing to combine well. Scrape down the sides of the bowl. 3-In a separate bowl, whisk together the: In a separate bowl, whisk together the flour, baking powder, cinnamon and salt. 4-Add the dry ingredients and mix just: Add the dry ingredients and mix just until the dough starts to pull away from the sides of the bowl. Do not over mix. 5-Set aside roughly 2 cups of the: Set aside roughly 2 cups of the dough (loosely packed) and reserve to use on the top of the crumble. 6-Press the shortbread dough into the an: Press the shortbread dough into the an 8 x 8 baking pan lined with parchment paper. Use your hands or the flat side of a measuring cup to press it evenly into the corners of the pan. 7-Bake at 350°F for 15 minutes, or: Bake at 350°F for 15 minutes, or until the edges are slightly golden brown and the center is just set. Do not over bake. 8-Remove the pan from the oven and: Remove the pan from the oven and allow the crust to cool slightly while you make the cranberry filling. 9-In a large bowl, mix together the: In a large bowl, mix together the cranberries, sugar, cornstarch, orange zest and juice and vanilla. Pour the cranberry mixture over the pre-baked crust. 10-Use your hands to break up the: Use your hands to break up the remaining 2 cups of shortbread dough into smaller, flat pieces. Place them randomly on top of the cranberry filling, leaving space between them for the cranberries to peak through. 11-Bake for about 45 minutes, covering the: Bake for about 45 minutes, covering the top of the pan with aluminum foil for the last 10 to 15 minutes of baking time so that the crumble does not turn too dark. 12-Remove the bars from the oven: Remove the bars from the oven. Place the pan on a wire rack and cool completely before adding the vanilla glaze.
Vanilla Glaze 13-Whisk together the powdered sugar, milk (or: Whisk together the powdered sugar, milk (or heavy cream) and vanilla. The glaze should be thin enough to run off a fork but not so thin that it’s transparent. If the glaze is too thick, add more milk. If too thin, add more powdered sugar. Drizzle over the top of the bars once cooled. 14-Slice into squares: Slice into squares.