Lemon Cheesecake Blondie Bars

1 day ago 6

Stacked Lemon Cheesecake Bars with a crumbly crust and creamy yellow lemon topping, set on parchment with lemon slices and zest scattered nearby—perfectly blending classic blondie bars texture with zesty lemon cheesecake flavor.

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These Lemon Swirl Cheesecake Blondie Bars combine chewy blondies, creamy cheesecake, and bright lemon curd in one easy dessert.

Know Before You Scroll

Servings: 12

Prep: 20 minutes

Cook: 50 minutes

Total Time: 1 hour 10 minutes

Basic baking staples, cream cheese, lemon curd

Buttery, creamy, tangy, lightly caramelized

9-inch square pan, mixer, saucepan

Don’t overmix the cheesecake layer

Best made a day ahead for clean slices

Use homemade lemon curd for deeper citrus flavor

A close-up of Lemon Cheesecake Bars with a golden crust, creamy filling, and glossy lemon topping. Slices of fresh lemon are blurred in the background, with lemon zest sprinkled around these delicious blondie bars.

In The Test Kitchen

I love desserts that feel bakery-worthy but don’t require a water bath or complicated steps. These Lemon Swirl Cheesecake Blondie Bars came from that exact craving. I wanted something creamy and rich, but with enough brightness to keep it from feeling too rich.

The browned butter blondie base gives just enough chew to contrast the silky cheesecake layer. And that lemon curd swirl? It cuts through the richness in the best way. The key discovery was not over-swirling. Keeping the ribbons distinct makes every bite balanced instead of blended.

Four lemon cheesecake blondie bars with a golden yellow swirled topping are arranged on parchment paper. The bars have a creamy layer over a brown crust, and a spoon is partially visible in the background.

Ingredient Notes

A variety of baking ingredients on a white surface, including eggs, flour, butter, sugar, brown sugar, cream cheese for Lemon Cheesecake Bars, salt, vanilla extract, and a bowl of yellow mixture—all arranged neatly.

Use brick-style unsalted butter and pack the brown sugar firmly for proper sweetness and moisture

Light or dark brown sugar both work. Dark brown sugar will give deeper caramel notes.

Full-fat brick-style cream cheese at room temperature gives the smoothest texture.

Reduced-fat cream cheese will work but will be slightly less rich.

Thick lemon curd with bold citrus flavor.

Homemade or high-quality store-bought both work well.

You can find the full, printable recipe at the top of this post, but you can read the detailed instructions with photos for each step below.

Step By Step Instructions

Brown The Butter

Preheat your oven to 325°F. Line a 9-inch square pan with parchment paper, leaving an overhang so you can lift the bars out easily after chilling. Place the butter in a saucepan over medium heat. Let it melt completely, then continue cooking. It will foam and bubble at first. After a few minutes, the bubbles will begin to settle and you’ll see small brown specks forming at the bottom of the pan. Swirl the pan gently so it cooks evenly. When the butter turns a deep golden color and smells nutty, remove it from the heat immediately. It should smell toasty, not burnt. Pour it into a bowl to stop the cooking and let it cool slightly before using.

Side-by-side images show butter melting and bubbling in a pot on the left, and on the right, the butter has turned brown with foamy bubbles—perfectly browned for making rich blondie bars or lemon cheesecake.

Make the Blondie Base

In a separate bowl, whisk together the dry ingredients. Stir the browned butter with the brown sugar, egg, and vanilla until smooth. Fold in the dry ingredients just until combined. The batter should be thick and spreadable like soft cookie dough. Press evenly into the pan to form a thin layer.

whisking flour, mixing sugar and wet ingredients, combining, adding flour, stirring batter, and spreading it in a parchment-lined baking pan.

Make the Cheesecake Layer

Beat the cream cheese with the sugar and vanilla until completely smooth and creamy. Add the eggs one at a time, mixing just until incorporated. The mixture should look silky and lump-free, not airy. Pour gently over the blondie base and spread evenly.

the first is a close-up of fluffy batter in a bowl, the second shows a spatula stirring, and the third displays smooth batter spread in a parchment-lined baking pan.

Create the Lemon Swirl

Drop spoonfuls of lemon curd across the surface. Use a knife to swirl gently, stopping once you see defined ribbons. Avoid over-swirling so the layers stay distinct.

the yellow has been swirled into a marbled pattern for these delectable cheesecake bars.

Bake and Cool

Bake until the edges are set and the center jiggles slightly like gelatin when nudged. Turn off the oven, crack the door open, and let the bars cool inside for 1 hour to reduce cracking.

A square Lemon Cheesecake Blondie Bar dessert with a swirled yellow topping, baked in a parchment-lined pan, viewed from above on a white surface.

Chill and Slice

Cool completely at room temperature, then refrigerate for at least 3 hours or overnight. Lift out using the parchment overhang. Slice with a sharp knife, wiping clean between cuts for neat, bakery-style squares.

A close-up of Lemon Cheesecake Bars on parchment paper, featuring a golden brown crust, creamy cheesecake layer, and glossy yellow lemon topping with a swirled pattern.

Prep Time: 20 minutes

Cook Time: 50 minutes

Total Time: 1 hour 10 minutes

Serves 12

For the Blondie Crust:

▢ ½ cup unsalted butter (room temperature)
▢ 1 cup all-purpose flour
▢ ½ teaspoon baking powder
▢ ¼ teaspoon kosher salt
▢ ½ cup brown sugar (packed)
▢ 1 large egg (room temperature)
▢ 1 teaspoon vanilla extract

For the Cheesecake Layer:

▢ 16 oz cream cheese (room temperature (2 cups, brick-style))
▢ ½ cup granulated sugar
▢ 1 teaspoon vanilla extract
▢ 2 large eggs (room temperature)
▢ 4 tablespoons lemon curd (homemade or store-bought)

Preheat oven to 325°F.
Grease or line a 9-inch square baking pan with parchment paper, leaving an overhang for easy lifting.
Melt the butter in a light-colored saucepan over medium heat. Cook, swirling occasionally, until it turns golden brown with nutty brown specks on the bottom. Remove from heat immediately and pour into a heatproof bowl to cool slightly before using.
In a bowl, whisk together the flour, baking powder, and salt.
In another bowl, mix the browned butter with brown sugar, egg, and vanilla until combined.
Stir in the dry ingredients just until incorporated.
Spread the blondie batter evenly into the bottom of the prepared pan — it will form a thin base.
In a large bowl, beat the cream cheese, sugar, and vanilla until smooth and creamy.
Add eggs one at a time, mixing just until incorporated (do not overmix).
Pour the cheesecake mixture over the blondie crust, spreading evenly.
Drop spoonfuls of lemon curd across the cheesecake layer.
Use a knife or toothpick to gently swirl the curd into the batter, creating a marbled effect. Avoid over-swirling so the ribbons stay distinct.
Bake for 45–50 minutes, or until the edges are set and the center has a slight jiggle.
Turn off the oven, crack the door open, and let the bars cool inside for 1 hour to reduce cracking.
Remove from the oven and let cool completely at room temperature.
Refrigerate for at least 3 hours, or overnight for the best texture.
Lift the bars out of the pan using the parchment overhang.
Slice into squares with a sharp knife, wiping clean between cuts.
Serve chilled and enjoy the chewy blondie crust, creamy cheesecake, and bright lemon swirl in every bite.

Erren’s Top Tips

Use room-temperature cream cheese and eggs to prevent lumps.
Do not overbeat once the eggs are added. Too much air can cause cracks.
Brown the butter until deeply golden but not dark brown. It should smell nutty, not burnt.
For super clean slices, warm your knife under hot water and wipe dry between cuts.