Home » Spring Desserts » Why I Always Make Strawberry Rhubarb Crisp When Spring Feels Uncertain
Strawberry rhubarb crisp in a white baking dish with toasted oat topping, with two smaller ramekins each holding individual servings of the crisp on a blue napkin and white background.

Why I Always Make Strawberry Rhubarb Crisp When Spring Feels Uncertain

There’s a moment in early spring when the skies still can’t decide between sun and gloom. That’s when I reach for strawberries and rhubarb. This crisp, with its soft fruit and golden crumble, is how I steady the season.

In this post, I’ll show you how to make this strawberry rhubarb crisp with ease. You’ll learn how the right balance of tart and sweet gives this dessert its backbone. You’ll also get real tips for baking, storing, and serving it in ways that make sense.

You’ll leave with the confidence to make a dessert that actually works—whether it’s your first try or your fiftieth.

Freshly baked strawberry rhubarb crisp in a white baking dish with golden crumble topping, paired with a plated serving showing warm fruit filling and crisp topping with the text “Try it warm.”

This Crisp Works for So Many Occasions

This dessert has a rough beauty to it. It doesn’t beg for perfection, and that’s part of the appeal. The strawberries soften into jammy pockets, while the rhubarb keeps the whole thing grounded with its quiet tartness.

The topping, built from oats and brown sugar, adds just the right crunch. Melted butter holds it together. I don’t cut it in with a fork. I pour and stir. Less fuss, better texture.

Every element has a job. The cornstarch thickens the juices, so your crisp won’t turn into soup. The lemon lifts the flavor. The cinnamon in the topping brings a soft warmth without taking over.

I’ve made dozens of fruit crisps. This one stays in rotation because it never lets me down.

Overhead view of recipe ingredients for strawberry rhubarb crisp, including fresh strawberries, chopped rhubarb, rolled oats, flour, sugar, butter, brown sugar, vanilla extract, lemon juice, salt, and cinnamon, arranged in small white bowls on a marble surface.

How I Build the Fruit Filling for a Juicy Center

Strawberries can be watery. Rhubarb can be stringy. Together, they need guidance. I use equal parts—three cups of each. I slice the berries thick enough to keep their shape. I chop the rhubarb into half-inch pieces, no thinner. Anything smaller turns to mush.

The sugar sweetens both, but more than that, it helps draw out the juices. That’s where the cornstarch comes in. A full tablespoon binds the liquid as it bakes, making the filling glossy and thick without becoming gummy.

The vanilla gives depth. The lemon brings edge. You’ll notice that citrus note, but it won’t shout. It just sharpens everything else.

Large metal mixing bowl containing halved strawberries and diced rhubarb, ready for baking, with a wooden spoon placed beside the bowl on a white marble countertop.

Getting the Oat Crisp Topping Just Right

Oats matter. I use old-fashioned, not quick. They hold their texture and give the topping more bite. The flour gives structure, and the brown sugar creates that caramel edge once baked.

Salt matters here. It cuts the sweetness just enough. Don’t skip it. The cinnamon? A whisper, not a yell. It adds character without turning this into a spice cake.

Then comes the melted butter. You’ll pour it in and stir until everything clumps. No need for a pastry blender or cold butter cubes. This method keeps it straightforward and foolproof.

You’ll scatter it over the fruit with your hands. Press it lightly so the topping sticks but still crumbles.


How Long to Bake and When to Stop

The crisp bakes at 375°F. You’ll want the topping golden and crisp, and the fruit bubbling at the edges. This usually takes around 40 minutes.

It’s tempting to eat it right away, but it needs time. Let it rest for 10 to 15 minutes. This pause lets the filling settle and makes it easier to serve.

You can scoop it into bowls while it’s still warm. I like to pair it with vanilla ice cream. Whipped cream works too, but ice cream gives that creamy melt that cuts through the tartness.


How I Store Leftovers (And Eat Them for Breakfast)

Once cooled, you can store the crisp in the fridge. I cover the dish with foil or a reusable lid. It keeps well for up to 4 days.

To reheat, use the oven—not the microwave. I slide a portion into a small dish and warm it at 300°F for about 10 minutes. The topping stays crisp this way.

And yes, I do eat it cold the next morning with plain yogurt. It’s a solid breakfast move.

You can also freeze it. Just bake it in a freezer-safe dish, cool completely, cover tightly, and freeze for up to two months. To serve again, bake straight from frozen at 350°F until heated through.


A Few Extra Tips from My Kitchen

If you want a version with more tang, cut the sugar in the filling by two tablespoons. If your strawberries are very ripe, this is a good move.

If you love easy fruit desserts, you should check out my Rhubarb Dump Cake. It’s another spring favorite that comes together fast.

Or try the salty-sweet layers in this Strawberry Pretzel Salad. That one surprises people in the best way.

I make this crisp in an 8×8-inch dish. But if you’re cooking for more people, you can double the recipe and use a 9×13. It scales easily, and you won’t need to adjust baking time by much.


Save This Recipe and Share What You Think

Baked strawberry rhubarb crisp in a white rectangular baking dish, topped with golden oat crumble, shown alongside a plated slice displaying the juicy strawberry and rhubarb filling with crumbly topping.

If you plan to make this later, save it to your Pinterest dessert board so you can find it when you need it.

And I’d really love to hear from you. If you made it—or plan to—drop a comment and let me know how it turned out. I read every one, and it helps build this little community we’re making here.

Let’s keep learning from each other, one fruit dessert at a time.


Yield: 8

Strawberry Rhubarb Crisp Recipe

Strawberry rhubarb crisp in a white baking dish with toasted oat topping, with two smaller ramekins each holding individual servings of the crisp on a blue napkin and white background.

A balance of sweet strawberries and tart rhubarb topped with a golden oat crumble. This easy dessert bakes to perfection with a bubbly fruit filling and crisp topping. Serve warm with ice cream or whipped cream for a comforting treat.

Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes

Ingredients

  • FOR THE FRUIT FILLING:
  • 3 cups fresh strawberries, hulled and sliced
  • 3 cups rhubarb, diced
  • ⅔ cup granulated sugar
  • 1 tablespoon cornstarch
  • 1 teaspoon vanilla extract
  • 1 tablespoon lemon juice
  • FOR THE CRISP TOPPING:
  • 1 cup old-fashioned oats
  • ½ cup all-purpose flour
  • ½ cup brown sugar
  • ½ teaspoon cinnamon
  • ¼ teaspoon salt
  • ½ cup unsalted butter, melted

Instructions

PREHEAT THE OVEN: Set the oven to 375°F (190°C). Lightly grease an 8x8-inch baking dish with butter or nonstick spray.

PREPARE THE FRUIT FILLING: In a large bowl, mix the strawberries, rhubarb, granulated sugar, cornstarch, vanilla extract, and lemon juice. Stir until the fruit is evenly coated and the sugar starts to dissolve. Spread the mixture evenly in the prepared baking dish.

MAKE THE CRISP TOPPING: In a separate bowl, combine the oats, flour, brown sugar, cinnamon, and salt. Pour in the melted butter and stir until the mixture becomes crumbly and well incorporated.

ASSEMBLE AND BAKE: Evenly sprinkle the crisp topping over the fruit mixture. Bake for 35–40 minutes, or until the topping is golden brown and the fruit is bubbling around the edges.

COOL AND SERVE: Let the crisp rest for 10–15 minutes to allow the filling to thicken slightly. Serve warm with vanilla ice cream or whipped cream.

Notes

Rhubarb varies in tartness, so adjust the sugar as needed. If using particularly tart rhubarb, add an extra tablespoon of sugar to balance the flavor. If the strawberries are very sweet, consider reducing the sugar slightly.

Fresh fruit works best for this recipe, but frozen strawberries and rhubarb can be used if fresh is unavailable. If using frozen fruit, do not thaw before baking, but increase the cornstarch to 1½ tablespoons to help absorb extra liquid.

For a crispier topping, use a combination of quick oats and old-fashioned oats. Quick oats create a finer texture, while old-fashioned oats provide more crunch. Avoid instant oats, as they can become too soft.

Brown sugar adds a deeper caramel-like flavor to the crisp topping, but granulated sugar can be used as a substitute if necessary. Dark brown sugar will provide an even richer taste.

For a slightly thicker fruit filling, allow the mixture to sit for 10 minutes after stirring to help the fruit release some juices before transferring it to the baking dish.

To make this crisp gluten-free, substitute the all-purpose flour with a 1:1 gluten-free flour blend. Ensure the oats are certified gluten-free if needed.

For a dairy-free version, replace the butter with melted coconut oil or a plant-based butter substitute. Coconut oil will add a slight coconut flavor, while plant-based butter provides a more neutral taste.

Store leftovers in an airtight container in the refrigerator for up to three days. Reheat individual portions in the microwave for 20–30 seconds or warm the entire dish in a 325°F (165°C) oven for 10–15 minutes.

Nutrition Information

Yield

8

Serving Size

1

Amount Per Serving Calories 344Total Fat 14gSaturated Fat 7gTrans Fat 0gUnsaturated Fat 5gCholesterol 31mgSodium 94mgCarbohydrates 54gFiber 4gSugar 34gProtein 4g

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