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Gluten Free & Low FODMAP Strawberry Rhubarb Crisp


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This easy Strawberry Rhubarb Crisp fruit dessert features a juicy strawberry and rhubarb filling with a sweet, crunchy oat and brown sugar topping.

This style of dessert is sometimes called a “crumble” among other names, but I always like the “crisp” terminology because the topping does indeed have that texture and it contrasts so nicely with the fruity filling.

strawberry rhubarb crisp on a white plate with silver spoon; stack of pink plates and whole crisp in backgroundFruit & FODMAPs

Rhubarb and strawberries have show to contain no detectable FODMAPs in lab testing, making them a huge combo favorite here in the Test Kitchen.

There are several fruit that have had no FODMAPs detected during lab testing, such as grapes, strawberries, papaya and rhubarb. Monash has been moving away from language that says “no FODMAPs detected”, but it does not change that the produce that have shown no FODMAPs in lab testing, can indeed, contain no FODMAPs.

Please read our article, When Low FODMAP Lab Testing Differs to understand the big picture.

The topping is super simple to make and if you double it you can store it for at least a month in the freezer in a heavy zip-top bag so that you will be ready to make a fruit crisp at a moment’s notice.

vertical image of strawberry rhubarb crisp in a clear glass pie plate

For a similar but different approach, check out our Strawberry Rhubarb Cobbler, which has a tender biscuit topping. I am also partial to our Low FODMAP Rhubarb Cheesecake Tart!

strawberry rhubarb crisp on a white plate with spoon alongside; stack of pink plates and whole crisp in background
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strawberry rhubarb crisp on a white plate with spoon alongside; stack of pink plates and whole crisp in background
4.16 from 20 votes

Strawberry Rhubarb Crisp

This Strawberry Rhubarb Crisp is super easy to make and no one will realize that it is special “diet” food.

Makes: 10 Servings
Prep Time: 20 minutes
Cook Time: 45 minutes
Total Time: 1 hour 5 minutes
Author: Dédé Wilson


Strawberry Rhubarb Filling:

  • 1 pound (455 g) rhubarb, trimmed and chopped into 1-inch (2.5 cm) pieces
  • 3/4 pound (340 g) medium-sized strawberries, hulled and halved
  • 1/2 cup (99 g) sugar
  • 1/2 teaspoon cinnamon
  • 1 1/2 tablespoons cornstarch
  • 1 teaspoon lemon juice

Crisp Topping:


  1. For the Strawberry Rhubarb Filling: Position a rack in the middle of the oven. Preheat the oven to 375°F/190°C. Coat a 9-inch (23 cm) ovenproof glass or ceramic pie plate with nonstick spray; set aside.
  2. Stir together the rhubarb, strawberries, sugar and cinnamon in a medium saucepan. Cook over medium heat, stirring often, until fruit begins to exude juice and gently simmer, about 5 minutes. Meanwhile in a small bowl whisk together the cornstarch and lemon juice. Add to the hot fruit mixture and simmer for a minute or two, stirring often, until fruit filling looks glossy and bit thickened. Scrape into prepared pie plate.

  3. For the Crisp Topping: Melt the butter in a medium-size microwave-safe mixing bowl in the microwave on low. (Or melt the butter in a small saucepan on your stove top, if you like, then transfer to a medium-size mixing bowl.) Whisk in the brown sugar, then whisk in the flour, oats, cinnamon, and salt until well combined. Use your hands to help form clumps then scatter them evenly over the strawberry rhubarb filling.
  4. Bake for about 35 to 45 minutes, or until the topping is golden and the fruit is bubbling around the edges. Let sit for 5 minutes before serving, to allow the juices to thicken. The crisp may be served at room temperature, or rewarmed after cooling. I think the textures of the crisp are best the day it is baked. It will hold overnight but the “crisp” will soften and some of the juiciness of the fruit filling with absorb into the topping. If you must hold the crisp, lightly cover with aluminum foil and store at cool room temperature.



  • Crisps and crumbles are best served the day they are made. They will last longer, but the topping will lose its crisp quality as it absorbs moisture rom the filling.
Course: Dessert
Cuisine: American


Calories: 263kcal | Carbohydrates: 49g | Protein: 2g | Fat: 7g | Sodium: 1mg | Fiber: 1g | Sugar: 34g | Vitamin C: 0.2mg

All nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more. For a more detailed explanation, please read our article Understanding The Nutrition Panel Within Our Recipes.

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