Strawberry Rhubarb Crumble

I honestly havent really shared many crumble based recipes on my blog but this Strawberry Rhubarb Crumble was one I had to share. This recipe is inspired by cozy spring baking and is easy to prepare and make. It is a super tasty dessert packed full of juicy strawberries and tart rhubarb and is quite comforting.

Strawberry Rhubarb Crumble with golden oat topping and bubbling fruit

If you love this recipe then try our Strawberry Lemon Cream Scones for another bright strawberry treat. When people think about rhubarb they probably avoid making it since it can taste sharp and sour on its own. But trust me on this when it is baked with sweet strawberries and a buttery crumble it offers a rich and fruity taste that is very satisfying.

This recipe is super tasty and quick to make and I recommend this dessert for those who want to experience a cozy homemade bake.

Ingredients

Ingredients for Strawberry Rhubarb Crumble arranged naturally

Here’s what I use for this recipe and you can always make substitutions if you prefer.

  • fresh red rhubarb stalks: Adds tart flavor and soft jammy texture.
  • fresh ripe strawberries: Adds sweetness and juicy red color.
  • granulated cane sugar: Sweetens the fruit and helps the filling bubble.
  • cornstarch: Thickens the fruit juices while baking.
  • fresh lemon juice: Brightens the fruit flavor.
  • pure vanilla extract: Adds warm bakery flavor.
  • old fashioned rolled oats: Creates a hearty crumbly topping.
  • unbleached all purpose flour: Binds the crumble into tender clusters.
  • light brown cane sugar: Adds caramel sweetness to the topping.
  • ground cinnamon: Adds gentle warmth.
  • fine sea salt: Balances the sweetness.
  • unsalted European style butter: Creates rich golden crumble pieces.

Tools You’ll Need

  • Mixing bowl: Useful for coating the fruit and making the crumble topping.
  • Glass ceramic baking dish: Holds the fruit filling and helps the crumble bake evenly.
  • White plate: Shows the warm portion with visible fruit and crumbly topping.

Instructions

Step 1: Slice the rhubarb and strawberries

Sliced rhubarb and strawberries for Strawberry Rhubarb Crumble

Slice the fresh red rhubarb stalks into uneven small pieces and halve the fresh ripe strawberries so the fruit looks bright and irregular. The colors should sit loosely together with red and pink pieces overlapping in a natural way.

Tip: Keep the fruit pieces close in size so they soften evenly.

Step 2: Coat the fruit filling

Strawberry rhubarb filling coated with sugar and cornstarch

Toss the sliced fresh red rhubarb stalks and fresh ripe strawberries with granulated cane sugar and cornstarch and fresh lemon juice and pure vanilla extract until the fruit looks glossy. The dry coating should cling in pale streaks while red juices start to appear.

Tip: Stop mixing once the fruit is coated so the strawberries keep some shape.

Step 3: Layer the fruit in the baking dish

Strawberry rhubarb filling layered in a baking dish

Transfer the coated fruit into a glass ceramic baking dish and spread it unevenly so some strawberry halves face upward while rhubarb pieces sit along the edges. The fruit should look juicy and loosely layered rather than flat.

Tip: Leave a little unevenness so the juices bubble through naturally.

Step 4: Mix the oat crumble topping

Oat crumble topping mixed with butter and brown sugar

Combine old fashioned rolled oats with unbleached all purpose flour and light brown cane sugar and ground cinnamon and fine sea salt and cold cubed unsalted European style butter. The topping should look sandy with pea sized butter bits and rough oat clusters.

Tip: Keep some butter pieces visible for a better crumbly texture.

Step 5: Scatter the crumble over the fruit

Oat crumble topping scattered over strawberry rhubarb filling

Scatter the oat crumble topping over the fruit so some red filling remains visible between the rough clusters. The topping should sit thicker in some spots and thinner in others for a homemade look.

Tip: Do not pack the topping down because loose clusters brown better.

Step 6: Bake until bubbling and browned

Baked Strawberry Rhubarb Crumble with golden topping and bubbling fruit

Bake the crumble until the fruit juices thicken and bubble around the edges while the oat topping turns golden with darker toasted ridges. The surface should look uneven and crisp with small red bubbles breaking through.

Tip: Let the edges bubble strongly so the cornstarch fully thickens the filling.

Step 7: Serve one warm portion

Single serving of Strawberry Rhubarb Crumble on a white plate

Scoop one warm portion onto a white plate so the jammy fruit spills slightly from beneath the crumbly golden topping. The serving should look soft and rustic with uneven edges and visible red fruit and toasted oats.

Tip: Rest the crumble briefly before serving so the filling stays juicy but not runny.

Pro Tips

  • Use firm fresh red rhubarb stalks so the filling keeps a little texture.
  • Do not overmix the oat topping because rough clusters bake up crispier.
  • Let the crumble rest before serving so the juices thicken naturally.
  • Serve warm for the best contrast between soft fruit and crisp topping.

Storage Instructions

Store leftover Strawberry Rhubarb Crumble covered in the refrigerator for up to 4 days. Reheat portions until warm so the fruit softens again and the topping tastes cozy. For a crisper topping reheat uncovered rather than sealed. The fruit will stay jammy and the oats will regain some texture.

Frequently Asked Questions

Can I use frozen rhubarb for Strawberry Rhubarb Crumble?

Yes and use frozen red rhubarb without thawing first so it keeps better texture while baking.

Can I make Strawberry Rhubarb Crumble ahead of time?

Yes and assemble it a few hours ahead then bake it before serving for the best crisp topping.

How do I keep the crumble topping from getting soggy?

Bake until the fruit bubbles at the edges and let it rest uncovered so steam does not soften the topping.

Can I add vanilla ice cream?

Yes and a scoop of vanilla ice cream works well with the warm tart fruit and golden oat crumble.

Final Thoughts

This is the kind of recipe I wish I had found years ago. It would have saved me so many stressful dessert nights.

But now that I have it I make it all the time and I think you will too. If you enjoyed this then check out some of my other popular recipes on the blog like Easy Banana Bread and Classic French Toast.

And leave a comment I read every single one and it really makes my day.

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Strawberry Rhubarb Crumble with golden oat topping and bubbling fruit

Strawberry Rhubarb Crumble


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  • Author: Lina
  • Total Time: 45 minutes
  • Yield: 4 servings 1x

Description

This Strawberry Rhubarb Crumble is an easy and quick dessert with simple pantry ingredients and bright fruit flavor. It is one of the best ideas for a healthy-ish treat when you want something cozy for brunch or a holiday potluck or party. The sweet strawberries and tart rhubarb bake under a buttery oat crumble until bubbly and golden.


Ingredients

Scale
  • 3 cups sliced fresh red rhubarb stalks
  • 3 cups hulled and halved fresh ripe strawberries
  • 3/4 cup granulated cane sugar
  • 2 tablespoons cornstarch
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon pure vanilla extract
  • 1 cup old fashioned rolled oats
  • 3/4 cup unbleached all purpose flour
  • 1/2 cup packed light brown cane sugar
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine sea salt
  • 1/2 cup cold and cubed unsalted European style butter


Instructions

  1. Slice the fresh red rhubarb stalks into uneven small pieces and halve the fresh ripe strawberries so the fruit looks bright and irregular. The colors should sit loosely together with red and pink pieces overlapping in a natural way.
  2. Toss the sliced fresh red rhubarb stalks and fresh ripe strawberries with granulated cane sugar and cornstarch and fresh lemon juice and pure vanilla extract until the fruit looks glossy. The dry coating should cling in pale streaks while red juices start to appear.
  3. Transfer the coated fruit into a glass ceramic baking dish and spread it unevenly so some strawberry halves face upward while rhubarb pieces sit along the edges. The fruit should look juicy and loosely layered rather than flat.
  4. Combine old fashioned rolled oats with unbleached all purpose flour and light brown cane sugar and ground cinnamon and fine sea salt and cold cubed unsalted European style butter. The topping should look sandy with pea sized butter bits and rough oat clusters.
  5. Scatter the oat crumble topping over the fruit so some red filling remains visible between the rough clusters. The topping should sit thicker in some spots and thinner in others for a homemade look.
  6. Bake the crumble until the fruit juices thicken and bubble around the edges while the oat topping turns golden with darker toasted ridges. The surface should look uneven and crisp with small red bubbles breaking through.
  7. Scoop one warm portion onto a white plate so the jammy fruit spills slightly from beneath the crumbly golden topping. The serving should look soft and rustic with uneven edges and visible red fruit and toasted oats.

Notes

Pro Tips:

  • Use firm fresh red rhubarb stalks so the filling keeps a little texture.
  • Do not overmix the oat topping because rough clusters bake up crispier.
  • Let the crumble rest before serving so the juices thicken naturally.
  • Serve warm for the best contrast between soft fruit and crisp topping.

Storage: Store leftover Strawberry Rhubarb Crumble covered in the refrigerator for up to 4 days. Reheat portions until warm so the fruit softens again and the topping tastes cozy. For a crisper topping reheat uncovered rather than sealed. The fruit will stay jammy and the oats will regain some texture.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving

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