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Gluten Free Rhubarb Crisp

A close-up serving of bright red gluten free rhubarb crisp topped with golden, buttery crumble.

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Make this simple, comforting gluten free rhubarb crisp with a buttery, spiced oat topping. It is an easy spring dessert that requires minimal effort.

Ingredients

Scale
  • 2 cups fresh rhubarb, cut into 1-inch pieces
  • 1/2 cup granulated sugar (adjust to rhubarb tartness)
  • 1 tablespoon cornstarch
  • 1 teaspoon vanilla extract
  • 1/4 cup water
  • 1 cup gluten-free rolled oats
  • 1/2 cup gluten-free all-purpose flour blend
  • 1/2 cup packed light brown sugar
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/2 cup (1 stick) cold unsalted butter, cut into small cubes

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease an 8×8 inch baking dish.
  2. In a medium bowl, combine the cut rhubarb, granulated sugar, cornstarch, vanilla extract, and water. Toss gently until the rhubarb is coated.
  3. Pour the rhubarb mixture evenly into the prepared baking dish.
  4. In a separate bowl, prepare the crisp topping. Combine the gluten-free rolled oats, gluten-free flour blend, brown sugar, cinnamon, and nutmeg. Mix these dry ingredients together.
  5. Cut the cold butter cubes into the dry topping mixture using a pastry blender or your fingertips. Work quickly until the mixture resembles coarse crumbs, with some pea-sized pieces of butter remaining.
  6. Sprinkle the topping evenly over the rhubarb filling in the baking dish. Press lightly.
  7. Bake for 35 to 40 minutes, or until the topping is golden brown and the rhubarb filling is bubbly and tender when pierced with a fork.
  8. Remove the crisp from the oven and let it cool on a wire rack for at least 15 minutes before serving.

Notes

  • For a dairy-free option, substitute the butter in the topping with 1/2 cup of chilled coconut oil or a solid dairy-free butter alternative.
  • If your rhubarb is very tart, you may add one extra tablespoon of brown sugar to the filling mixture.
  • Serve this easy rhubarb dessert warm with a scoop of gluten-free vanilla ice cream or custard for the best experience.

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