Sweet, tangy, and wonderfully creamy, these no bake rhubarb cheesecake squares feel like sunshine on a plate. They’re perfect for spring and summer when rhubarb is at its peak, but they work year-round with frozen rhubarb too. No oven, no water bath, no stress—just a crisp buttery base, a silky cheesecake filling, and a glossy rhubarb swirl.
The colors are lovely, the flavors are balanced, and the texture is spot on. They cut cleanly into squares, making them great for parties, picnics, or an easy make-ahead dessert.
What Makes This Special
- No baking required: You’ll build layers and let the fridge do the rest.
- Balanced flavor: Rhubarb’s tart edge keeps the cheesecake from tasting too sweet.
- Great texture: A crisp cookie crust, a plush creamy center, and a soft, jammy swirl on top.
- Make-ahead friendly: Chill overnight for picture-perfect slices that hold up well.
- Simple ingredients: Pantry staples and a handful of fresh rhubarb are all you need.
Ingredients
- For the Rhubarb Topping:
- 3 cups chopped rhubarb (fresh or frozen; 1/2-inch pieces)
- 1/2 cup granulated sugar (adjust to taste)
- 1 tablespoon lemon juice
- 1 teaspoon lemon zest (optional, but brightens the flavor)
- 1 teaspoon cornstarch mixed with 1 teaspoon cold water (slurry), as needed
- For the Crust:
- 2 cups graham cracker crumbs (or digestive biscuit crumbs)
- 1/3 cup granulated sugar
- 1/2 teaspoon fine sea salt
- 10 tablespoons unsalted butter, melted
- For the Cheesecake Filling:
- 16 ounces cream cheese, softened
- 3/4 cup powdered sugar
- 1 teaspoon vanilla extract
- 1/4 teaspoon fine sea salt
- 1 cup cold heavy cream
- 1 teaspoon unflavored powdered gelatin (optional, for extra stability)
- 2 tablespoons cold water (only if using gelatin)
How to Make It
- Cook the rhubarb: In a saucepan, combine rhubarb, sugar, lemon juice, and zest. Cook over medium heat, stirring occasionally, until the rhubarb softens and releases juices, about 8–10 minutes.
- Thicken the topping: If the mixture looks very thin, stir in the cornstarch slurry and simmer 1–2 minutes until lightly thickened and jammy. Taste and adjust sugar. Set aside to cool to room temperature.
- Prep the pan: Line an 8-inch or 9-inch square pan with parchment, leaving overhang on two sides for easy lifting.
- Make the crust: In a bowl, mix graham crumbs, sugar, and salt. Add melted butter and stir until evenly moistened and sandy.
- Press the crust: Firmly press the crumbs into the lined pan in an even layer. Use the bottom of a measuring cup to compact it well. Chill while you make the filling.
- Bloom the gelatin (optional): Sprinkle gelatin over 2 tablespoons cold water in a small bowl. Let it stand 5 minutes. Microwave 5–10 seconds to melt, then cool slightly. Skip this step if you prefer a softer set.
- Beat the cream cheese: In a large bowl, beat cream cheese until smooth. Add powdered sugar, vanilla, and salt. Beat until creamy and lump-free, scraping the bowl as needed.
- Whip the cream: In a separate bowl, whip heavy cream to medium-stiff peaks. If using gelatin, whisk a spoonful of whipped cream into the melted gelatin, then gently fold that back into the remaining whipped cream.
- Combine the filling: Fold the whipped cream into the cream cheese mixture in two additions until smooth and airy. Don’t overmix.
- Assemble: Spread the cheesecake filling over the chilled crust in an even layer. Dollop cooled rhubarb topping over the surface and swirl gently with a knife or skewer. You can reserve a little topping for serving if you like.
- Chill to set: Cover the pan and refrigerate at least 6 hours, preferably overnight, until fully set and sliceable.
- Slice and serve: Lift out using the parchment overhang. Warm a knife under hot water, wipe dry, and cut into neat squares. Serve chilled with extra rhubarb on the side if desired.
Keeping It Fresh
- Refrigerate: Store covered in the fridge for up to 4 days. Keep it cold to maintain a clean slice and firm texture.
- Freeze: Freeze cut squares on a sheet pan until solid, then wrap individually. Store up to 1 month. Thaw in the fridge for a few hours before serving.
- Prevent weeping: Make sure the rhubarb topping has cooled and thickened slightly before swirling. This helps avoid excess moisture on top.
Benefits of This Recipe
- Seasonal and bright: Rhubarb brings a fresh, tangy note you don’t get from berries alone.
- Beginner-friendly: No baking and no eggs. The steps are straightforward, and the results look impressive.
- Flexible: Works with fresh or frozen rhubarb and adapts easily to different pans.
- Make-ahead dessert: Perfect for entertaining, potlucks, and holidays.
What Not to Do
- Don’t skip chilling: If you try to cut too soon, the squares will slump. Give them time to set.
- Don’t add hot topping: Warm rhubarb can melt the filling. Always cool it to room temperature first.
- Don’t underpack the crust: A loose crust will crumble. Press it firmly into the pan.
- Don’t overmix the filling: Too much mixing deflates the whipped cream and makes the texture dense.
- Don’t forget the salt: A small pinch in both crust and filling sharpens the flavors.
Recipe Variations
- Strawberry-Rhubarb Swirl: Add 1 cup chopped strawberries to the rhubarb for a softer, sweeter finish.
- Ginger Snap Crust: Swap graham crumbs for gingersnaps. The spice plays nicely with tart rhubarb.
- Lemon Curd Ribbon: Swirl a few tablespoons of lemon curd with the rhubarb for extra zing.
- Greek Yogurt Cheesecake: Replace 4 ounces of cream cheese with thick Greek yogurt for a lighter tang.
- Gluten-Free: Use gluten-free graham crackers or almond flour (2 cups almond flour + 1/4 cup sugar + 6 tablespoons melted butter; bake 8 minutes just to set if you can, or press and chill extra-firmly for no-bake).
- Mini Cups: Press crust into lined muffin tins, add filling, and top with rhubarb for individual servings.
FAQ
Can I use frozen rhubarb?
Yes. Don’t thaw first—add it straight to the saucepan and cook a few extra minutes. You might need a touch more cornstarch if it releases a lot of liquid.
How do I prevent a soggy crust?
Pack the crust firmly and chill it well. If you want an extra-sturdy base, brush the crust with a thin layer of melted white chocolate before adding the filling.
Do I have to use gelatin?
No. The bars will still set, just a bit softer. Gelatin gives a cleaner slice, especially on warm days or when transporting.
What if my rhubarb is very tart?
Increase the sugar in the topping by 1–2 tablespoons or add a bit more lemon zest instead of juice. Taste as you cook and adjust to your preference.
Can I make this in a larger pan?
Yes. For a 9×13-inch pan, multiply the crust and filling by 1.5. Double the rhubarb topping if you like a thicker swirl.
How long do they need to chill?
At least 6 hours, but overnight is best. The texture becomes smoother and the slices cleaner with more time.
What’s the best way to get neat squares?
Use a long, sharp knife. Warm it under hot water, wipe dry, and make confident cuts, wiping the blade between slices.
Can I reduce the sugar?
You can cut the powdered sugar in the filling to 1/2 cup for a less sweet bite. Keep enough sugar in the rhubarb to balance the tartness.
What can I use instead of graham crackers?
Digestive biscuits, vanilla wafers, Biscoff, or shortbread cookies all work. Adjust butter slightly if the crumbs seem too dry or greasy.
How far ahead can I make these?
Make them up to 2 days in advance. Keep covered and chilled. Add any fresh garnish (like mint or extra swirl) just before serving.
Wrapping Up
No bake rhubarb cheesecake squares bring together crisp, creamy, and tangy in an easy, make-ahead dessert. The method is simple, the ingredients are accessible, and the results feel special every time. Keep a batch chilling for a weekend treat, or slice them up for guests and watch them disappear. This is one of those recipes that earns a spot in your rotation—reliable, adaptable, and joyfully bright.
No Bake Rhubarb Cheesecake Squares
Ingredients
- For the Rhubarb Topping: 3 cups chopped rhubarb (fresh or frozen; 1/2-inch pieces)
- 1/2 cup granulated sugar (adjust to taste)
- 1 tablespoon lemon juice
- 1 teaspoon lemon zest (optional, but brightens the flavor)
- 1 teaspoon cornstarch mixed with 1 teaspoon cold water (slurry), as needed
- For the Crust: 2 cups graham cracker crumbs (or digestive biscuit crumbs)
- 1/3 cup granulated sugar
- 1/2 teaspoon fine sea salt
- 10 tablespoons unsalted butter, melted
- For the Cheesecake Filling: 16 ounces cream cheese, softened
- 3/4 cup powdered sugar
- 1 teaspoon vanilla extract
- 1/4 teaspoon fine sea salt
- 1 cup cold heavy cream
- 1 teaspoon unflavored powdered gelatin (optional, for extra stability)
- 2 tablespoons cold water (only if using gelatin)
Instructions
- Cook the rhubarb: In a saucepan, combine rhubarb, sugar, lemon juice, and zest. Cook over medium heat, stirring occasionally, until the rhubarb softens and releases juices, about 8–10 minutes.
- Thicken the topping: If the mixture looks very thin, stir in the cornstarch slurry and simmer 1–2 minutes until lightly thickened and jammy. Taste and adjust sugar. Set aside to cool to room temperature.
- Prep the pan: Line an 8-inch or 9-inch square pan with parchment, leaving overhang on two sides for easy lifting.
- Make the crust: In a bowl, mix graham crumbs, sugar, and salt. Add melted butter and stir until evenly moistened and sandy.
- Press the crust: Firmly press the crumbs into the lined pan in an even layer. Use the bottom of a measuring cup to compact it well. Chill while you make the filling.
- Bloom the gelatin (optional): Sprinkle gelatin over 2 tablespoons cold water in a small bowl. Let it stand 5 minutes. Microwave 5–10 seconds to melt, then cool slightly. Skip this step if you prefer a softer set.
- Beat the cream cheese: In a large bowl, beat cream cheese until smooth. Add powdered sugar, vanilla, and salt. Beat until creamy and lump-free, scraping the bowl as needed.
- Whip the cream: In a separate bowl, whip heavy cream to medium-stiff peaks. If using gelatin, whisk a spoonful of whipped cream into the melted gelatin, then gently fold that back into the remaining whipped cream.
- Combine the filling: Fold the whipped cream into the cream cheese mixture in two additions until smooth and airy. Don’t overmix.
- Assemble: Spread the cheesecake filling over the chilled crust in an even layer. Dollop cooled rhubarb topping over the surface and swirl gently with a knife or skewer. You can reserve a little topping for serving if you like.
- Chill to set: Cover the pan and refrigerate at least 6 hours, preferably overnight, until fully set and sliceable.
- Slice and serve: Lift out using the parchment overhang. Warm a knife under hot water, wipe dry, and cut into neat squares. Serve chilled with extra rhubarb on the side if desired.
