California Rhubarb Cream Cheese Bars with Oat Streusel
Ingredients
Method
- Preheat oven to 350°F. Grease a 9x13-inch baking dish with butter or nonstick spray.
- In a medium bowl, combine flour, 1 cup sugar, and cinnamon. Cut in 1/2 cup softened butter using a pastry blender or your fingers until the mixture resembles coarse crumbs.
- Press the crumb mixture firmly into the bottom of the prepared baking dish to form an even crust.
- Bake the crust for 10-12 minutes, until lightly golden around the edges. Remove from oven and let cool slightly on a wire rack.
- In a separate bowl, beat the softened cream cheese with 1/4 cup sugar and vanilla extract until smooth and creamy.
- Add the egg and beat just until combined. Spread the cream cheese mixture evenly over the cooled crust.
- In another bowl, toss the diced rhubarb with 1/4 cup sugar and 2 tablespoons flour. Distribute the rhubarb evenly over the cream cheese layer.
- For the streusel, combine brown sugar, oats, and 1/2 cup flour in a bowl. Pour in the melted butter and stir until the mixture is crumbly. Sprinkle the streusel evenly over the rhubarb.
- Bake for 35-40 minutes, until the topping is golden brown and the filling is set. Allow the bars to cool completely in the pan on a wire rack before slicing into 12 bars.
Nutrition
Notes
Tried this recipe?
Let us know how it was!Why You’ll Love These Rhubarb Cream Cheese Bars
I remember the first time I saw rhubarb at a farmers market. I was maybe twenty-two, living in a tiny apartment in Brooklyn, and this old guy at the Union Square market had a whole table piled with these thick pink stalks. I had no idea what to do with them. They looked like celery but pinker, and the farmer just said “Make a pie.” That’s it. No instructions, no recipe, just “Make a pie.” So I bought a bunch, went home, and made the most tart, watery pie of my life. It was a disaster.
These rhubarb cream cheese bars are the opposite of that pie. They’re what I wish I had made that day. Here’s the deal: they have a buttery crust that bakes up golden and firm, a sweet cream cheese layer that’s smooth as silk, a tangy rhubarb filling that’s just sweet enough, and a crunchy oat streusel on top. Every bite hits a different note. That’s what you want from a dessert bar.
Here’s why these work so well:
- Three layers of texture. Crisp crust, creamy center, crunchy streusel. No question, the contrast makes these special.
- Rhubarb’s natural tartness shines. The cream cheese and sugar balance it perfectly. You taste the rhubarb, not just sugar.
- They’re a make-ahead dream. These actually get better after a night in the fridge. Perfect for summer gatherings like July 4th.
- Simple ingredients. Nothing fancy. You probably have most of this in your pantry right now.
I’ve made these bars for potlucks, family dinners, and lazy Sunday afternoons. They disappear fast. That’s exactly right.
How to Cut Rhubarb for Bars
Let’s talk about rhubarb for a second. It’s not a fruit, technically it’s a vegetable, but we treat it like one. And it’s only around for a short window in late spring and early summer. So when you see it at the market, grab it.
Here’s how I prep it for these rhubarb cream cheese bars:
- Wash and trim. Rinse the stalks under cold water. Cut off the very bottom and any leaves. Leaves are toxic, so toss those. The stalks are what you want.
- Peel if necessary. If the stalks are thick and tough, peel the outer layer with a vegetable peeler. Thin stalks usually don’t need it.
- Cut into even pieces. Aim for 1/2-inch dice. Uniform pieces mean even cooking. Some pieces will soften into the filling, others will stay slightly firm. That’s the texture you want.
- About 2 cups. That’s what this recipe calls for. That’s roughly 3 to 4 medium stalks. If you have more, freeze the rest.
Fair enough? Good. Let’s get to the actual making.
How to Make Rhubarb Cream Cheese Bars
This recipe breaks down into four simple stages. Each one builds on the last. Take your time, and don’t rush the cooling. That’s the move.
Stage 1: The Crust
Start with the crust. Mix flour, sugar, and cinnamon in a bowl. Cut in softened butter using a pastry blender or your fingers until it looks like coarse crumbs. Press that firmly into the bottom of a greased 9×13-inch baking dish. Bake at 350°F for 10 to 12 minutes, just until the edges start to turn golden. Let it cool slightly. This crust is sturdy enough to hold everything without getting soggy. In my experience, that’s the hardest part of any bar recipe, and this one nails it.
Stage 2: The Cream Cheese Layer
While the crust cools, make the filling. Beat softened cream cheese with sugar and vanilla until smooth. Add an egg and beat just until combined. Don’t overmix. Spread this over the warm crust. The warmth helps it settle into an even layer. Use a spatula to get it all the way to the edges. This layer is the heart of these rhubarb cream cheese bars. It’s what makes them feel decadent.
Stage 3: The Rhubarb Layer
Toss the diced rhubarb with sugar and flour. The flour helps thicken the juices so the bars aren’t runny. Distribute the rhubarb evenly over the cream cheese layer. Don’t pile it all in the middle. Spread it out. Every bar should get some rhubarb.
Stage 4: The Streusel
Combine brown sugar, rolled oats, and flour. Pour in melted butter and stir until crumbly. Sprinkle this over the rhubarb. Use your hands to break up any large clumps. Bake for 35 to 40 minutes. The topping should be golden brown, and the filling should look set. A slight jiggle in the center is fine. It will firm up as it cools.
Let the bars cool completely in the pan on a wire rack. This is crucial. If you cut them while they’re warm, they’ll fall apart. Trust me on this. Once cool, refrigerate for at least 2 hours before slicing. That’s what you want for clean, sharp edges.
Tips for the Best Rhubarb Cream Cheese Bars
I’ve made these bars more times than I can count. Here’s what I’ve learned:
- Use full-fat cream cheese. Low-fat or Neufchâtel will change the texture. The filling won’t be as creamy. Philadelphia is my go-to, but any full-fat block cream cheese works.
- Room temperature cream cheese is non-negotiable. Cold cream cheese will leave lumps in your filling. Take it out of the fridge 30 minutes before you start. That’s the move.
- Old-fashioned rolled oats, not quick oats. Quick oats turn to mush. Rolled oats keep their texture and give the streusel that satisfying crunch.
- Don’t overbake. Overbaking leads to cracks in the cream cheese layer and a dry texture. Watch for the edges to be set and the center to have a slight wiggle.
- Use a sharp knife for slicing. Wipe the blade clean between cuts. This gives you those bakery-style bars with clean edges.
- Let them cool completely. I can’t stress this enough. Patience pays off here.
Storage and Make-Ahead Instructions
These rhubarb cream cheese bars are perfect for making ahead. In fact, they taste better the next day. The flavors meld together, and the texture firms up beautifully.
Refrigerator: Store in an airtight container in the refrigerator for up to 5 days. Layer them with parchment paper if stacking. Serve chilled or let them sit at room temperature for 10 minutes before serving.
Freezer: These freeze well. Wrap individual bars in plastic wrap, then place them in a freezer-safe bag or container. Freeze for up to 3 months. Thaw in the refrigerator overnight before serving.
Reheating: I prefer these cold or at room temperature. But if you want them warm, pop a bar in a 300°F oven for 5 to 7 minutes. Not the microwave. The microwave will make the streusel soggy.
Make-ahead tip: You can assemble the entire dish a day ahead, refrigerate it unbaked, and bake it the day you plan to serve. Add 5 minutes to the baking time if starting from cold.
Common Mistakes and How to Avoid Them
Even experienced bakers run into issues sometimes. Here’s how to handle the most common problems:
- ❌ Soggy crust. This happens when the crust isn’t baked long enough or the cream cheese layer is too wet. ✅ Solution: Bake the crust for a full 12 minutes until golden. Let it cool slightly before adding the filling.
- ❌ Lumpy cream cheese filling. Cold cream cheese is the culprit. ✅ Solution: Always use room temperature cream cheese. Beat it until smooth before adding the egg.
- ❌ Runny rhubarb filling. Rhubarb releases a lot of liquid. ✅ Solution: Toss the rhubarb with flour before adding it to the bars. The flour absorbs the excess juice.
- ❌ Cracks in the cream cheese layer. Overbaking or sudden temperature changes cause cracks. ✅ Solution: Bake until the edges are set and the center is slightly jiggly. Cool gradually on a wire rack.
- ❌ Bars falling apart when sliced. Cutting too early is the issue. ✅ Solution: Let the bars cool completely, then refrigerate for at least 2 hours before slicing. Use a sharp knife and wipe it clean between cuts.
More Rhubarb Desserts to Try
If you love these rhubarb cream cheese bars, you might want to explore other rhubarb desserts too. Rhubarb is one of those ingredients that’s surprisingly versatile. It works in crisps, crumbles, cakes, and even savory dishes if you’re feeling adventurous.
Here are a few ideas to use up that rhubarb harvest:
- Classic rhubarb crisp. Same oat streusel idea, but over a simple rhubarb filling. Serve warm with ice cream.
- Rhubarb upside-down cake. Swap the pineapple for rhubarb. The tartness cuts through the buttery cake beautifully.
- Rhubarb simple syrup. Simmer rhubarb with sugar and water, strain it, and use it in cocktails or over pancakes.
- Rhubarb compote. Cook diced rhubarb with sugar and a splash of vanilla until soft. Spoon it over yogurt, oatmeal, or cheesecake.
- Strawberry rhubarb pie. The classic combination. Strawberries soften rhubarb’s sharpness. It’s a match made in heaven.
But honestly, these rhubarb cream cheese bars are my favorite way to use rhubarb. They’re easy, they’re beautiful, and they always get compliments. Nailed it.
Frequently Asked Questions
I hope you love these rhubarb cream cheese bars as much as I do. They’ve become a summer staple in my kitchen, and I think they’ll be one in yours too. If you make them, tag me or leave a comment. I’d love to hear how they turned out.
For more recipe inspiration, check out my Pinterest board where I share all my favorite desserts and baking tips.
Source: Nutritional Information
What enhances the flavour of rhubarb?
Adding a bit of vanilla, cinnamon, or orange zest can enhance rhubarb’s natural flavor. In these rhubarb cream cheese bars, the cinnamon in the crust and the vanilla in the cream cheese layer do exactly that. A touch of sugar balances the tartness without overwhelming it.
Do bars with cream cheese need to be refrigerated?
Yes. Any dessert with cream cheese needs to be refrigerated. These rhubarb cream cheese bars should be stored in an airtight container in the fridge. They’ll stay fresh for up to 5 days. Serve them chilled or at room temperature for about 10 minutes before eating.
What cheese goes with rhubarb?
Cream cheese is the classic pairing with rhubarb. The tangy, creamy texture balances rhubarb’s tartness perfectly. That’s exactly why these rhubarb cream cheese bars work so well. Mascarpone or ricotta would also work, but cream cheese gives the best structure for bars.
How to use up lots of rhubarb?
These rhubarb cream cheese bars are a great start. You can also make rhubarb compote, freeze diced rhubarb for later, or bake a crisp. Rhubarb freezes well, so don’t be afraid to stock up when it’s in season. Just wash, chop, and freeze in bags.
What does rhubarb do to your body?
Rhubarb is high in fiber, vitamin K, and antioxidants. It supports digestive health and bone strength. The tartness comes from oxalic acid, which can affect calcium absorption if eaten in huge amounts. But in normal servings like these rhubarb cream cheese bars, it’s perfectly safe and healthy.
What herb goes best with rhubarb?
Thyme and basil are surprisingly good with rhubarb. They add an earthy note that balances the tartness. For sweet desserts like these rhubarb cream cheese bars, I’d stick with cinnamon and vanilla. Those are the classic pairings for a reason.
What 12 foods should not be refrigerated?
Common foods that shouldn’t be refrigerated include tomatoes, potatoes, onions, garlic, bread, honey, coffee, hot sauce, basil, melons, avocados, and bananas. These rhubarb cream cheese bars are not one of them. They absolutely need refrigeration because of the cream cheese layer.
What is the best brand of cream cheese?
Philadelphia cream cheese is the gold standard for baking. It has the right fat content and consistency for smooth, creamy fillings. For these rhubarb cream cheese bars, I recommend using Philadelphia or another full-fat block cream cheese. Avoid whipped or spreadable versions.
Can cream cheese sit out for 4 hours?
According to USDA guidelines, cream cheese should not sit out at room temperature for more than 2 hours. For these rhubarb cream cheese bars, take the cream cheese out 30 minutes before baking to soften it. Don’t leave it out longer. Always refrigerate leftovers promptly.
Why do I feel sick after eating rhubarb?
Some people are sensitive to the oxalic acid in rhubarb. It can cause stomach discomfort or a tingling sensation in the mouth. Cooking rhubarb reduces the oxalic acid content. In these rhubarb cream cheese bars, the rhubarb is baked, which makes it much easier to digest.
What compliments rhubarb?
Strawberries, ginger, vanilla, and cinnamon are classic pairings with rhubarb. The sweetness of strawberries softens rhubarb’s tartness. In these rhubarb cream cheese bars, the cinnamon in the crust and the vanilla in the cream cheese layer complement the rhubarb beautifully.
Can a diabetic have rhubarb?
Rhubarb itself is low in sugar and carbohydrates. However, these rhubarb cream cheese bars contain sugar in the crust, filling, and streusel. If you’re diabetic, you can try reducing the sugar or using a sugar substitute. The rhubarb’s tartness will still come through.
What months should you not eat rhubarb?
Rhubarb is typically harvested from April to June in the US. Some people say not to eat rhubarb after July because the stalks become tough and overly tart. But honestly, if you find fresh rhubarb at a farmers market in August, it’s still fine to use in these rhubarb cream cheese bars.
Why do my teeth feel weird after eating rhubarb?
That weird feeling is from the oxalic acid in rhubarb. It can temporarily make your teeth feel rough or chalky. Rinsing your mouth with water or eating something neutral like bread can help. Cooking rhubarb reduces the acid, so these rhubarb cream cheese bars shouldn’t cause that sensation.
Can I freeze fresh rhubarb for later use?
Absolutely. Wash and chop the rhubarb into 1/2-inch pieces, then freeze them in a single layer on a baking sheet. Once frozen, transfer to a freezer bag. Frozen rhubarb works perfectly in these rhubarb cream cheese bars. No need to thaw it first. Just use it straight from the freezer.
