Easy Blueberry Crumble Cheesecake (No-Bake & No Water Bath!)

This Blueberry Crumble Cheesecake combines the creamy luxury of cheesecake with the cozy, rustic charm of a fruit crumble—all without ever turning on your oven. It features a buttery graham cracker crust, a velvety no-bake cheesecake filling swirled with a simple homemade blueberry sauce, and is crowned with a crisp, buttery oat crumble topping. The result is a stunning, multi-textured dessert that’s surprisingly straightforward to make and perfect for any occasion, from summer barbecues to holiday dinners.

By using the no-bake method, we eliminate the common challenges of traditional cheesecake, like cracks and water baths. The secret to its perfect set is a combination of cream cheese, whipped cream, and a bit of gelatin (or a cornstarch slurry for a vegetarian option). This recipe provides detailed instructions for each component, ensuring you achieve a beautiful presentation and balanced flavor in every slice.

Ingredients & Substitutions

For the Graham Cracker Crust:

• 2 cups graham cracker crumbs
• 1/2 cup unsalted butter, melted
• 2 tablespoons granulated sugar

For the No-Bake Cheesecake Filling:

• 24 ounces (three 8-oz blocks) full-fat cream cheese, softened to room temperature
• 1 cup powdered sugar
• 1 tablespoon pure vanilla extract
• 1 1/2 cups heavy whipping cream, cold
• 1 packet (2 1/4 teaspoons) unflavored gelatin, dissolved in 3 tablespoons cold water (see note for vegetarian option)

For the Blueberry Swirl Sauce:

• 2 cups fresh or frozen blueberries
• 1/4 cup granulated sugar
• 1 tablespoon lemon juice
• 1 tablespoon cornstarch mixed with 2 tablespoons water (slurry)
• 1/4 teaspoon vanilla extract

For the Oat Crumble Topping:

• 1/2 cup all-purpose flour
• 1/2 cup old-fashioned rolled oats
• 1/3 cup light brown sugar, packed
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 1/3 cup unsalted butter, melted

Substitution Notes:

• Crust: Use digestive biscuits, vanilla wafers, or gluten-free graham crackers.
• Gelatin (Vegetarian Option): Omit the gelatin. Instead, take 1/2 cup of the blueberry sauce after it has thickened and blend it until completely smooth. Whisk this puree into the cheesecake filling before adding the whipped cream. The natural pectin in the blueberries will help the cheesecake set.
• Heavy Cream: For a lighter version, you can use extra-creamy coconut milk (the solid part from a can), though the flavor will be slightly different.
• Fruit: The blueberry sauce can be made with raspberries, blackberries, or a mix.

Step-by-Step Instructions

1. Make the Crust:
Combine the graham cracker crumbs, melted butter, and sugar in a bowl. Press the mixture firmly and evenly into the bottom of a 9-inch springform pan. Use the bottom of a measuring cup to compact it. Place in the refrigerator to chill while you prepare the filling.

2. Prepare the Blueberry Sauce:
In a small saucepan, combine blueberries, sugar, and lemon juice. Cook over medium heat for 5-7 minutes until the berries burst and release their juices. Stir in the cornstarch slurry and continue to cook for another 2-3 minutes until the sauce thickens noticeably. Remove from heat, stir in vanilla, and let it cool completely. Reserve 1/2 cup for the vegetarian setting option or for extra drizzling.

3. Make the Cheesecake Filling:
a. Bloom Gelatin: Sprinkle the gelatin over 3 tablespoons of cold water in a small bowl. Let it sit for 5 minutes to bloom, then microwave for 10-15 seconds until it becomes a clear liquid. Set aside to cool slightly.
b. Whip Cream: Using a hand mixer or stand mixer, whip the cold heavy cream until it forms stiff peaks. Set aside.
c. Mix Base: In a large bowl, beat the softened cream cheese, powdered sugar, and vanilla extract until completely smooth and no lumps remain.
d. Combine: With the mixer on low, slowly stream in the liquid gelatin (or blueberry puree for vegetarian version) and mix until fully incorporated. Using a spatula, gently fold in the whipped cream until no white streaks remain. Be careful not to deflate the mixture.

4. Assemble and Swirl:
Pour about two-thirds of the cheesecake filling over the chilled crust and smooth the top. Dollop about half of the cooled blueberry sauce over the filling. Pour the remaining cheesecake filling on top. Add the rest of the blueberry sauce in dollops. Use a knife or skewer to gently swirl the blueberry sauce into the cheesecake filling to create a marbled effect. Tap the pan gently on the counter to remove air bubbles.

5. Make the Crumble Topping:
Preheat your oven to 350°F (175°C). In a medium bowl, mix the flour, oats, brown sugar, cinnamon, and salt. Pour the melted butter over the mixture and stir until clumps form. Spread the mixture on a parchment-lined baking sheet. Bake for 10-12 minutes, stirring once halfway, until golden brown and crisp. Let it cool completely.

6. Chill and Finish:
Cover the cheesecake pan with plastic wrap and refrigerate for at least 6 hours, but ideally overnight, to set completely. Just before serving, sprinkle the cooled oat crumble topping generously over the entire cheesecake. Release the springform pan sides, slice, and serve.

Expert Tips for Success

• Room Temperature is Key: Ensure your cream cheese is truly softened. This is the single most important step for a smooth, lump-free filling.
• Cool Components: The blueberry sauce must be completely cool before swirling, or it will melt the filling. The crumble must be completely cool before adding, or it will lose its crunch and make the top soggy.
• Chill Time is Non-Negotiable: Do not shortcut the chilling time. The cheesecake needs the full time to firm up properly for clean slices.
• Clean Slices: For picture-perfect slices, dip a sharp knife in hot water and wipe it clean between each cut.
• Storage: Store covered in the refrigerator for up to 4 days. The crumble topping is best added the day of serving to maintain its texture. This cheesecake does not freeze well due to the crumble topping.

For another stunning no-bake dessert, try our festive Gingerbread Tiramisu. If you love the combination of fruit and creamy desserts, our 5-Ingredient Blueberry Chia Pudding is a simpler, healthy option. This blueberry crumble cheesecake recipe is a fantastic example of a show-stopping dessert, similar in concept to the impressive Blueberry Crumble Cheesecake from Julie Marie Eats.