These lemon blueberry cheesecake bars combine a buttery graham cracker crust, smooth lemon cheesecake filling, and juicy blueberries in one sliceable dessert. Fresh lemon zest brings a bright citrus aroma, while the berries add little pockets of sweetness throughout the creamy filling.
Baked in a square pan, the cheesecake is easy to portion into bars without using a springform pan or a water bath. A few fresh blueberries and a little lemon zest make a simple finishing touch.
The preparation is straightforward, but this is a dessert to make ahead. The bars need time to cool and chill before cutting. That waiting time helps the filling firm up and gives each slice a cleaner edge.
Recipe at a Glance
Yield: 12 bars
Pan: 8 x 8 inch (20 x 20 cm) metal baking pan
Preparation time: Approximately 20 minutes
Crust baking time: 10 minutes
Filling baking time: Approximately 35 to 45 minutes
Cooling time: Approximately 1 hour
Chilling time: At least 4 hours
Total time: Approximately 6 hours, including cooling and chilling
For a relaxed schedule, bake the bars the day before serving and refrigerate overnight.
Ingredients
For the Graham Cracker Crust
180 g finely crushed graham crackers, approximately 1 1/2 cups
75 g unsalted butter, melted
25 g granulated sugar, approximately 2 tablespoons
A small pinch of salt
For the Lemon Blueberry Filling
450 g (16 oz) full-fat block cream cheese, softened
130 g granulated sugar, approximately 2/3 cup
80 g sour cream, approximately 1/3 cup, at room temperature
2 large eggs, at room temperature
1 tablespoon finely grated lemon zest
2 tablespoons freshly squeezed lemon juice
1 teaspoon vanilla extract
150 g fresh blueberries, approximately 1 cup, washed and thoroughly dried
For the Optional Topping
A small handful of fresh blueberries
A little freshly grated lemon zest
Use block cream cheese intended for baking. Spreadable cream cheese from a tub can contain more moisture and may produce a softer filling.
How to Make Lemon Blueberry Cheesecake Bars
1. Prepare the Oven and Pan
Heat the oven to 165°C (325°F), or approximately 145°C in a fan oven. Position a rack in the center.
Line the baking pan with parchment paper, leaving an overhang on two opposite sides. This gives you handles to lift the chilled cheesecake out later. Lightly grease any exposed sides of the pan.
A metal pan gives more predictable results with the timing below. Glass and ceramic pans can heat differently.
2. Make the Crumb Crust
Combine the graham cracker crumbs, sugar, and salt in a bowl. Stir in the melted butter until the crumbs are evenly moistened.
Transfer the mixture to the prepared pan. Press firmly into an even layer across the bottom, using the flat base of a measuring cup or glass.
Pay attention to the corners so the crust has a consistent thickness. There is no need to press it up the sides.
3. Bake the Crust
Bake for 10 minutes, until the crust smells toasted and looks slightly darker around the edges.
Set the pan on a rack while you prepare the filling. Leave the oven on at the same temperature. The crust can still be slightly warm when the filling is added.
4. Mix the Cream Cheese and Sugar
Beat the softened cream cheese and sugar on low to medium speed until smooth. Scrape the bottom and sides of the bowl to catch any unmixed cream cheese.
Add the sour cream, lemon zest, lemon juice, and vanilla. Mix briefly until combined.
The mixture should look creamy rather than fluffy. Beating for too long introduces air that can make the cheesecake rise and then crack as it cools.
5. Add the Eggs and Blueberries
Add the eggs one at a time, mixing on low speed just until each disappears into the batter. Scrape the bowl again and finish with a few gentle strokes by hand.
Fold in the dried blueberries with a spatula. Stir only enough to distribute them without crushing the fruit.
Pour the filling over the crust and smooth the surface gently.
6. Bake Until Gently Set
Bake for approximately 35 to 45 minutes. The edges should look set, while a small area in the center should wobble gently as one piece when the pan is nudged.
The center should not look liquid or ripple across the pan. If it does, continue baking and check again after a few minutes.
Avoid waiting for the entire surface to become firm or deeply golden. Cheesecake continues setting as it cools, and overbaking can make the filling dry.
7. Cool and Refrigerate
Place the pan on a wire rack and let it cool for approximately 1 hour. Refrigerate without tightly covering while still warm, then cover once chilled.
Chill for at least 4 hours, preferably overnight. Do not leave the cheesecake at room temperature for more than 2 hours in total.
Cutting before the filling is thoroughly chilled can cause the bars to slump and the crust to crumble.
8. Slice and Decorate
Lift the cold cheesecake from the pan using the parchment handles. Place it on a cutting board and cut into 12 bars.
For cleaner slices, use a sharp knife dipped in warm water and wiped dry. Clean the blade between cuts.
Add fresh blueberries and a little lemon zest just before serving.
Tips for Creamy Cheesecake Bars
Soften the cream cheese properly. Cold cream cheese leaves lumps that are difficult to remove once the eggs are added. It should feel soft enough to mix easily without being melted.
Measure the lemon juice. Extra juice does not simply add more lemon flavor; it also changes the balance of liquid in the filling. For a stronger citrus aroma, increase the zest slightly instead.
Dry the blueberries thoroughly. Water clinging to washed berries adds unnecessary moisture. Spread them on a clean towel and pat gently before folding them into the batter.
Press the crust evenly. Loose crumbs make a fragile base, while an uneven crust creates slices with thick and thin patches.
Respect the chilling time. A baked cheesecake can look ready long before it is firm enough to cut. Refrigeration is part of the recipe, not an optional finishing step.
Ingredient Alternatives
Digestive biscuits can replace graham crackers by weight. Their sweetness and butter content vary, so the base may have a slightly different flavor and texture.
Frozen blueberries can also work. Add them straight from the freezer without thawing, separating any clumps first. They may streak the filling purple and increase the baking time slightly.
Plain full-fat Greek yogurt can replace the sour cream, although it gives a slightly different tang. Avoid thin yogurt, which adds more moisture.
Storage and Make-Ahead Tips
Keep the bars covered in the refrigerator and enjoy within 3 to 4 days. Add the fresh topping shortly before serving for the best appearance.
For longer storage, freeze the fully chilled, undecorated bars individually wrapped inside an airtight container for up to 2 months. Thaw overnight in the refrigerator. The berries may release a little moisture after thawing.
Frequently Asked Questions
Why Did My Cheesecake Crack?
Overmixing, overbaking, or sudden temperature changes can contribute to cracks. Mix gently after adding the eggs and remove the pan when the center still has a slight wobble. Small cracks do not prevent the bars from tasting good.
Can I Use a Larger Pan?
A larger pan creates thinner bars and changes the baking time. For the thickness described here, use an 8 x 8 inch pan. Avoid transferring the same quantity to a much larger pan without adjusting the recipe.
Do I Need a Water Bath?
No. This recipe uses a moderate oven temperature and a relatively shallow layer of filling. A water bath is not required.
Can I Serve Them Warm?
These bars are designed to be served chilled. Warm filling is softer and will not give the same clean slices or firm, creamy texture.
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