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Easy Classic Rhubarb Crisp with Buttery Oat Topping

Close-up of a single serving of warm rhubarb crisp with a thick, golden oat topping in a white bowl.
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Follow this straightforward recipe for a classic rhubarb crisp featuring a sweet-tart filling and a crunchy, buttery oat topping. It is a simple, comforting dessert perfect for serving warm.

Ingredients

Scale
  • 4 cups fresh rhubarb, chopped
  • 1 cup granulated sugar (adjust to taste)
  • 2 tablespoons all-purpose flour
  • 1 teaspoon vanilla extract
  • 1/2 cup all-purpose flour (for topping)
  • 1/2 cup rolled oats
  • 1/2 cup packed light brown sugar (for topping)
  • 1/4 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/2 cup (1 stick) cold unsalted butter, cut into small pieces

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9-inch pie dish or an 8×8 inch baking pan.
  2. Prepare the filling: In a medium bowl, combine the chopped rhubarb, granulated sugar, 2 tablespoons of flour, and vanilla extract. Toss gently until the rhubarb is evenly coated. Pour this mixture into your prepared baking dish and spread into an even layer.
  3. Prepare the topping: In a separate bowl, whisk together the 1/2 cup flour, rolled oats, brown sugar, cinnamon, and salt.
  4. Cut in the cold butter using a pastry blender or your fingertips until the mixture resembles coarse crumbs with some pea-sized pieces of butter remaining.
  5. Sprinkle the oat topping evenly over the rhubarb filling. Do not press down.
  6. Bake for 35 to 45 minutes, or until the topping is golden brown and the rhubarb filling is bubbling thickly around the edges.
  7. Let the crisp cool on a wire rack for at least 15 minutes before serving.

Notes

  • For a Strawberry Rhubarb Crisp, substitute 2 cups of the rhubarb with 2 cups of fresh or frozen strawberries.
  • If you use frozen rhubarb, do not thaw it first; you may need to add 5-10 minutes to the baking time.
  • Serve this **best rhubarb crisp** warm with a scoop of vanilla ice cream for the ultimate experience.

Nutrition

Find it online: https://dishicious.com/rhubarb-crisp-easy-classic-buttery-oat-topping/