Strawberry Rhubarb Cheesecake Bars Recipe

I built a spring cheesecake bar crowned with rustic whole wheat oat crumble and a hefty cheesecake layer that lets bright strawberries and tangy rhubarb sing together.

I am obsessed with this strawberry rhubarb cheesecake bar because it hits every texture I crave. The crumble with old fashioned rolled oats gives a nutty, toothsome base that refuses to get soggy.

The cheesecake layer is unapologetically thick thanks to heaps of cream cheese and it sings tart and sweet with bright fruit pockets. I love that sticky ruby rhubarb and juicy strawberry bites scatter through, interrupting the richness.

But the best part is the contrast, that crackle of crisp crumble against a dense, creamy slab. Eat it cold, room temperature, alone, with friends.

Pure attention to the food.

Ingredients

• Whole wheat flour: gives a nutty backbone, kinda wholesome and slightly chewy.
• Old fashioned oats: adds rustic crunch and texture you’ll actually notice.
• Light brown sugar: brings molassy warmth, keeps the crust nicely tender.
• Granulated sugar (crumble): simple sweetness for that crisp, snappy top.
• Fine sea salt: balances sweetness, makes the flavors pop without shouting.
• Melted unsalted butter: buttery glue that browns the crumble perfectly.
• Cream cheese: creamy, tangy center that makes it feel indulgent.
• Granulated sugar (cheesecake): smooth sweetness that keeps the filling firm.
• Eggs: add richness and structure so slices hold together.
• Vanilla extract: warm background note, nothing fancy but it helps.
• Sour cream or Greek yogurt: adds tang and makes the filling silky.
• Fresh lemon juice: bright little punch to cut the richness.
• Rhubarb: tart, slightly stringy bits that give character and zip.
• Strawberries: juicy sweet counterpoint, makes it summer-perfect.
• Granulated sugar (fruit): tames tartness and wakes up the berries.
• Cornstarch: thickens the fruit so it’s not watery, trust me.
• Vanilla (for fruit): cozy scent that pairs oddly well with rhubarb.
• Coarse or turbinado sugar: Plus, it gives a pretty, crunchy sprinkle top.

Ingredient Quantities

• 1 cup whole wheat flour
• 1 cup old fashioned rolled oats
• 1/2 cup packed light brown sugar
• 1/4 cup granulated sugar (for the crumble)
• 3/4 teaspoon fine sea salt
• 3/4 cup (170 g) unsalted butter, melted
• 24 ounces cream cheese, room temperature (three 8 oz blocks)
• 3/4 cup granulated sugar (for the cheesecake)
• 2 large eggs, room temperature
• 1 teaspoon pure vanilla extract
• 1/2 cup sour cream or plain Greek yogurt
• 1 tablespoon fresh lemon juice
• 2 cups rhubarb, trimmed and cut into 1/2 inch pieces (about 8 ounces)
• 1 cup hulled and chopped strawberries
• 1/3 cup granulated sugar (for the fruit)
• 1 tablespoon cornstarch
• 1 teaspoon vanilla extract (for the fruit)
• Optional: coarse or turbinado sugar for sprinkling

How to Make this

1. Preheat oven to 350 F and line a 9×13 inch pan with parchment leaving an overhang so you can lift the bars out later.

2. Make the crumble: stir together 1 cup whole wheat flour, 1 cup rolled oats, 1/2 cup packed light brown sugar, 1/4 cup granulated sugar, and 3/4 teaspoon fine sea salt. Pour in 3/4 cup melted butter and mix until clumpy and pebbly. Reserve about one third of this mixture for sprinkling on top later.

3. Press the remaining crumble firmly into the bottom of the prepared pan to form an even crust. Bake the crust for 10 to 12 minutes until it smells toasty and just starting to brown. Let cool slightly.

4. While crust bakes, make the fruit: combine 2 cups chopped rhubarb, 1 cup chopped strawberries, 1/3 cup granulated sugar, 1 tablespoon cornstarch, and 1 teaspoon vanilla extract in a small saucepan. Cook over medium heat, stirring, until the fruit breaks down and the mixture thickens, about 5 to 7 minutes. Remove from heat and let cool a bit.

5. Make the cheesecake filling: beat 24 ounces room temperature cream cheese with 3/4 cup granulated sugar until smooth and mostly lump free. Add 2 large room temperature eggs one at a time, then mix in 1 teaspoon vanilla extract, 1/2 cup sour cream or plain Greek yogurt, and 1 tablespoon fresh lemon juice. Don’t overbeat after the eggs go in or you will get cracks.

6. Pour the cheesecake batter over the par-baked crust and smooth the top. Tap the pan gently on the counter to release any large air bubbles.

7. Spoon the cooled strawberry rhubarb mixture over the cheesecake in dollops. Use a knife or toothpick to gently swirl the fruit into the top of the batter so you get pretty ribbons but not a total mix.

8. Sprinkle the reserved crumble over the swirled top, and if you like a little crunch and sparkle, sprinkle coarse or turbinado sugar evenly over everything.

9. Bake at 350 F for 30 to 40 minutes until the edges are set and the center still has a slight jiggle. Turn the oven off, crack the door and let the bars cool in the oven for 30 minutes to avoid big cracks, then cool completely at room temp.

10. Refrigerate for at least 4 hours or overnight to firm up. Use the parchment overhang to lift the slab from the pan, slice with a hot clean knife for neat bars, and enjoy.

Equipment Needed

1. 9×13 inch baking pan (lined with parchment with an overhang so you can lift the bars out)
2. Parchment paper and kitchen scissors (to cut the overhang)
3. Large mixing bowl and a medium mixing bowl
4. Measuring cups and measuring spoons
5. Rubber spatula and wooden spoon (for scraping and stirring)
6. Electric mixer or sturdy hand mixer (for the cream cheese filling)
7. Small saucepan (for cooking the rhubarb and strawberries)
8. Oven-safe thermometer or instant-read thermometer and a sharp knife for slicing clean bars

FAQ

Strawberry Rhubarb Cheesecake Bars Recipe Substitutions and Variations

• Whole wheat flour → all purpose flour or pastry flour. Gives a lighter, less nutty crust; if using all purpose, press a bit more firmly so it holds. For gluten free try almond flour but add an egg or two tablespoons melted butter to help bind.
• Old fashioned rolled oats → quick oats or oat flour. Quick oats work almost the same but will make the crumble finer. Oat flour makes a tender, almost shortbread like crumb, just pack it in the pan a little more.
• Unsalted butter → salted butter or coconut oil. Salted butter is fine, just reduce added salt by a pinch. Coconut oil will make the crust slightly coconutty and firmer when chilled, use the same amount melted.
• Cream cheese → Neufchâtel or mascarpone. Neufchâtel is lower fat so the filling might be a touch less rich. Mascarpone gives a silkier, more decadent filling, just whip it well with the sugar so it’s smooth.

Pro Tips

1) Chill the crust for a few minutes after you press it and before baking if your butter got too warm. If it feels greasy the crumble will compact better when slightly cool, and you avoid a crumbly mess when you slice. Press really firmly so it holds together after baking.

2) Don’t rush the fruit. Cook the strawberry rhubarb until it’s thick and mostly cooled before dolloping it on the batter, otherwise the extra liquid will sink and make the bars soggy. If it still seems thin, add a tiny pinch more cornstarch dissolved in water, cook a minute more, then cool.

3) Room temp everything is not optional. Cold cream cheese or eggs will give you lumps and an overbeaten batter if you try to rush it. Beat just until smooth, and stop once the eggs are incorporated. Overbeating traps air and makes big cracks.

4) For clean slices and pretty bars: chill overnight, lift out with the parchment, and slice with a knife dipped in hot water and wiped dry between cuts. If you want extra crunch, toast the reserved crumble for a few minutes before sprinkling on top.