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Ready in just 45 minutes, this strawberry rhubarb crisp recipe is a foolproof way to enjoy your favorite summer dessert! It’s made with just a handful of easy-to-find ingredients so you can enjoy it as a last-minute dessert or keep it in the freezer for when the sweet tooth hits.

Rhubarb crisp with ice cream on a plate with a fork
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I grew up in Alaska, where rhubarb grows like a weed–massive, wild clumps of it lining backyards and garden beds all summer long. And every single week, like clockwork, we’d bake a strawberry rhubarb crisp.

Over the years, I’ve tested more versions of this rhubarb crisp than I can count (oven temps, oat ratios, sweetener swaps, you name it). This version is the one I always come back to. It’s reliable, wildly delicious, and uses mostly pantry staples.

Close up of cooked rhubarb crisp.

Reader rating

★★★★★

“Wow, this was an easy and delicious recipe! Mine looks just like the picture. Looking forward to trying it with other fruits!!” —Jamie

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Key Ingredients

This is just an overview – jump to the recipe for all of the measurements and full instructions!

  • Rhubarb: We tested both fresh and frozen. Both work great, just be sure to thaw and drain frozen rhubarb so you don’t end up with a watery filling.
  • Strawberries: Their natural sweetness balances rhubarb’s sharp edge without needing loads of extra sugar. Peak-season berries = less sugar, more flavor.
  • Sugar: A little white sugar in the filling helps pull out the juices and turn everything jammy (plus, we need it to balance out that tart rhubarb).
  • Cornstarch: We tested with flour, but cornstarch gave a smoother, more reliable set in the filling. No runny crisps here.

For the crisp topping, the main players are:

  • Unsalted Butter: We don’t hold back. Melted into the topping, butter brings rich flavor and that golden, craggy crisp you’re really here for.
  • Rolled Oats: Adds crunch and toasty texture. We tried instant oats, but they baked up too soft. Stick to old-fashioned rolled oats for the best bite.
  • All-Purpose Flour: Helps hold the topping together without turning it cakey. We tested with a 1:1 gluten-free blend too; it works beautifully!
  • Brown Sugar: Adds sweetness and that deep, caramelly flavor as the topping bakes. Coconut sugar swaps in well if you want to keep it unrefined.
Rhubarb crisp with ice cream on a plate with a fork

crisp versus crumble

The terms “crumble” and “crisp” are often used interchangeably to refer to a similar type of dessert. However, there is a slight difference between the two:

Crumble: A crumble typically consists of a fruit filling topped with a mixture of flour, butter, and sugar. The topping resembles coarse breadcrumbs and becomes crisp and crumbly when baked. It lacks the addition of oats or nuts.

Crisp: A crisp, on the other hand, is similar to a crumble but includes the addition of oats, nuts, or both in the topping. This addition provides a delightful crunch and adds extra texture to the dessert.

Rhubarb crisp with ice cream on a plate with a fork

Alaskan Strawberry Rhubarb Crisp

5 from 2 ratings
Prep: 15 minutes
Cook: 30 minutes
Total: 45 minutes
Servings: 8 servings
Ready in just 45 minutes, this strawberry rhubarb crisp is the foolproof recipe I first learned while living in Alaska. A tart yet sweet nostalgic classic!

Ingredients 

Filling

  • 4 cups chopped rhubarb
  • 2 cups halved strawberries
  • ½ cup sugar
  • 2 Tbsp cornstarch
  • 1 Tbsp lemon juice
  • 1 tsp vanilla extract

Topping

  • ½ cup cold unsalted butter*, can use a vegan butter
  • ¾ cup rolled oats
  • ¾ cup all-purpose flour, can use a gluten-free flour blend
  • ¾ cup brown sugar
  • tsp salt
  • Optional: 1 tsp cinnamon, ¼ tsp ground cloves
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Instructions 

  • Prep: Preheat oven to 375°F (190°C). Lightly grease a large (9×13'' or similar) casserole dish.
  • Filling: Stir together all Filling ingredients. Transfer to prepare casserole dish.
    Uncooked rhubarb crisp in a white baking dish.
  • Topping: Cut cold butter into small cubes. In a large bowl, combine all Topping ingredients, using a pastry cutter or your fingers to work the butter into the ingredients (it's finished when the dough is crumbly and pea-sized). Spoon evenly over the rhubarb filling.
    Uncooked rhubarb crisp in a white baking dish.
  • Bake: On the middle rack, bake for 30 to 45 minutes, or until top is golden brown and rhubarb filling is bubbling.
    Cooked rhubarb crisp in a white baking dish.
  • Serve: Let cool slightly then serve warm with ice cream or whipped cream.
    Rhubarb crisp with ice cream on a plate with a fork

Notes

*If using salted butter, omit the 1/8 tsp of salt
Store any leftover crisp in an airtight container in the refrigerator. It can be enjoyed chilled or reheated in the oven or microwave before serving.
Make Ahead: This rhubarb crisp can be made 1 to 2 days in advance. Simply keep the filling and topping in separate containers, then assemble before cooking. It can also be assembled up to a day in advance.
Lower Sugar: You can adjust the amount of sugar according to your taste preferences. However, remember that sugar adds sweetness and helps to balance the tartness of rhubarb. You can also experiment with alternative sweeteners, such as Stevia or Splenda.

Nutrition

Serving: 1serving | Calories: 305kcal | Carbohydrates: 47.4g | Protein: 3.2g | Fat: 12.4g | Saturated Fat: 7.4g | Cholesterol: 31mg | Sodium: 124mg | Potassium: 293mg | Fiber: 2.9g | Sugar: 28.3g | Calcium: 79mg | Iron: 1mg

Nutrition information calculated by Sarah Bond, degreed nutritionist.

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5 from 2 votes

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4 Comments

  1. Jamie Frizzo says:

    5 stars
    Wow, this was an easy and delicious recipe! Mine looks just like the picture. Looking forward to trying it with other fruits!!

    1. Sarah Bond says:

      I’m so happy to hear it, Jamie!! Enjoy! 😀

  2. Grace says:

    5 stars
    I made this delicious strawberry rhubarb crisp for a friend who was visiting without realizing she did not like rhubarb. She tried it to be polite and she loved it! Thank you for the recipe! It worked out great using strawberries and rhubarb that were both frozen and then thawed before putting it together. It’s hard to stop eating it because it is so yummy!

    1. The Live Eat Learn Team says:

      Love hearing that, thanks for trying it!