Strawberry Rhubarb Crisp

Rhubarb is in season, and this Strawberry Rhubarb crisp is a fantastic way to put it to good use! This is an easy make-ahead dessert idea that can be assembled the day before and refrigerated.

Then all you have to do is pop it in the oven and bake, when you sit down to dinner. Impress your guests when you bring it to the table all piping hot and bubbling. Serve it with a scoop of vanilla ice cream, and it’s a flavor sensation! You’ll love the tart, silky rhubarb mixed with sweet strawberries, rich vanilla ice cream that melts into the crisp, creating a delicious, creamy sauce, and, of course, that crunchy crisp topping.

For more crispy, crumb desserts, try my Plum Crumble, Blackberry Crumble, Fig Cake with Crumb Topping, or my Classic Crumb Cake.

O bowl of strawberry rhubarb crisp with vanilla ice cream and a silver spoon.

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Ingredients:

  • Rhubarb: Normally, rhubarb starts showing up in the market in April. But if you can’t find it where you live, you could substitute tart Granny Smith apples, peeled and cut into chunks. Use the same amount, 4 cups. You’ll need 6-7 large rhubarb stalks to yield 4 cups of chopped rhubarb. Cut the stalks into 1-inch chunks. There is no need to peel the rhubarb. You can use it just as is. For another delicious rhubarb recipe, try my Panna Cotta with Red Fruit Compote.
  • Strawberries: You’ll need an equal amount of strawberries for this recipe, 4 cups or  525g. Hull them and slice them in half. Don’t cut them any smaller, or they’ll become too mushy once baked.
  • White Sugar: Will help sweeten the strawberries and balance the rhubarb’s tartness.
  • Cornstarch: Toss the filling with cornstarch to help the fruit juices thicken into a syrupy consistency. I prefer cornstarch to flour for this reason, as flour can make the filling too cakey and dry.
  • Unsalted Butter: A few dots of unsalted butter on the fruit layer, before adding the crisp topping, will create a syrupy texture once combined with the juices and cornstarch.
  • Water: I add a little water to the fruit mixture to “front load” the juiciness and to ensure everyone gets a bit of the syrupy juices. It also prevents the crisp from being dry.
  • All-purpose flour: For the base of the crisp topping
  • Light Brown Sugar: For a caramelized flavor to the crisp topping.
  • White Sugar: To add a crispy texture to the topping
  • Baking Powder: Will allow the topping to puff up a bit and become lighter in texture, less dense.
  • Salt: To enhance the flavors of the topping and balance the sweetness.
  • Cinnamon: Is a lovely complement to the oatmeal.
  • Melted Unsalted Butter: I prefer melted butter rather than chunks of butter mixed with flour; you’ll get a more even crisp this way.
  • Vanilla Extract: Sweetens the crisp topping while adding a lovely flavor. I use a full tablespoon to prevent the topping from feeling flat.
  • Old Fashioned Oatmeal: In my opinion, this is the best part. Once it combines with the butter and sugars, it creates a delicious, crunchy, slightly chewy texture that pairs well with the silky-smooth, soft fruit filling below. Do not try to substitute Old Fashioned Oats for Quick Cooking Oats. Quick Cooking Oats are not the same as regular oats and will break down a bit in your topping!
  • Pecans: For a lovely buttery crunch to the topping. You could also substitute walnuts or raw pistachios.
Rhubarb stalks and strawberries and other ingredients laid out to make a fruit crisp.

Step#1: Toss the Fruit

  • In a large bowl, toss the fruit with the sugar, cornstarch, and water.
  • It’s best to toss the fruit with your hands to make sure the filling is well coated.
  • This will help distribute the juices more evenly as the dessert bakes.
Strawberries and rhubarb tossed in sugars and cornstarch.

Step#3: Dot with Butter

  • Transfer the fruit mixture to a 9 x 14 (23-cm x 33-cm)baking dish and smooth it into a single layer.
  • Dot the fruit layer with the butter, evenly across the entire casserole. You want to make sure each section gets the benefit of the butter!
  • Set the baking dish aside while you create the crisp topping.
A fruit filling dotted with butter in an oval baking dish.

What’s the Difference Between a Crisp and a Crumble?

The major difference between a fruit crisp and a crumble is the oatmeal. Crisp recipes include oatmeal in the topping; the most popular is an Apple Crisp. The oatmeal makes them crunchier and thus earns them the name “crisp,” whereas a crumble is made with just butter, flour, and sugar.

a bowl of fruit crisp with a scoop of vanilla ice cream with the full casserole in the background.

Step#4: Make Crisp Topping

  • In a medium bowl, whisk together the flour, sugars, salt, baking powder, and cinnamon until combined.
  • Then add the vanilla extract to the melted butter. This will help the vanilla flavor distribute evenly through the crisp topping.
  • Add the butter mixture and whisk together with a fork until a sandy texture forms.
  • Then stir in the oatmeal and the pecans.
  • Sprinkle the crisp topping all over the fruit layer, leaving the edges a bit less covered so the fruit can peek through. This will allow the juices to bubble up at the edges, creating a pretty presentation once the crisp is baked.
crisp topping mixed in a small bowl with oatmeal.

Step#5: Bake and Serve

  • This crisp can be assembled up to this part. Covered and refrigerated.
  • Then, when you sit down to dinner, pop it in the oven and bake at 375ยฐF (190ยฐC) for 30 minutes.
  • Allow to cool for 10 minutes. This will allow the juices to set up a bit and become a bit more congealed and syrupy as it cools.
  • Serve with a scoop of high-quality vanilla ice cream.
a casserole of strawberry and rhubarb crisp with juices bubbling up on the sides.
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a bowl of strawberry rhubarb crips with vanilla ice cream.

Strawberry Rhubarb Crisp

Yield: serves 8
Prep Time: 30 minutes
Cook Time: 30 minutes
Total Time: 1 hour

This Strawberry Rhubarb crisp is easy make-ahead dessert idea that can be assembled the day before and refrigerated. Then all you have to do is pop it in the oven and bake it when you sit down to dinner. Impress your guests when you bring it to the table all piping hot and bubbling. Serve it with a scoop of vanilla ice cream, and it's a flavor sensation!

Ingredients

  • 4 cups (525 g) strawberries, sliced in half
  • 4 cups (425 g) rhubarbe, chopped
  • 3/4 cup (180 g) of sugar
  • ยผ cup (60ml) water
  • ยผ cup (40g) cornstarch
  • pinch of salt
  • 2 tbsp (28 g) butter, cut into small chunks (to dot on top of filling before crisp topping)

For Crisp Topping:

  • 1 cup (140g) flour
  • 2 tbsp (20g) brown sugar
  • 2 tbsp (26g) white sugar
  • 1 tsp (5ml) baking powder
  • ยผ tsp (1.25ml) salt
  • ยฝ tsp (2.5ml) cinnamon
  • 1 cup (90g) old fashioned oats
  • 2/3 cup (158 ml) melted butter
  • 1 tbsp (15 ml) pure vanilla extract
  • 1/3 cup (35 g) chopped pecans
  • Vanilla Ice Cream for serving

Instructions

  1. Preheat oven to 375F (190C)
  2. In a large bowl, toss together the rhubarb, strawberries, sugar, water, cornstarch and salt. Use your hands to ensure the fruit is well coated.
  3. Transfer the fruit mixture to a9x 14 (23-cm x 33-cm) oven-safe baking dish. Add the dots of butter evenly distributed on tiop, across the filling. Set it aside.
  4. In a medium-sized bowl create the crisp topping: whisk together the flour, sugars, baking powder, salt and cinnamon. Then add the vanilla extract to the melted butter, whisk to combine.
  5. Add the butter mixture to the flour mixture, whisking with a fork until a sandy mixture forms. Then stir in the oatmeal and the pecans.
  6. Sprinkle the crisp topping all over the fruit mixture.
  7. Bake for 30 minutes or until juices are bubbling and the topping is golden brown.
  8. Allow to cool for 10 minutes before serving to allow the juices to set up and become more syrupy. Serve with high-quality vanilla ice cream.

Notes

Make Ahead:

  • You can assemble the recipe up until the part just before baking. Cover and refrigerate.
  • Then when you sit down to dinner, pop the crisp in the oven for 30 minutes. If dinner goes longer than that, reduce the heat to 100F (50C) to keep warm.

Nutrition Information:
Yield: 8 Serving Size: 1
Amount Per Serving: Calories: 699Total Fat: 30gSaturated Fat: 14gUnsaturated Fat: 16gCholesterol: 52mgSodium: 310mgCarbohydrates: 100gFiber: 10gSugar: 39gProtein: 11g
Brownie cake scooped into a mug with ice cream

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