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Cozy Rhubarb Crisp Recipe with Easy Oat Brown Sugar Topping

cozy rhubarb crisp - featured image

A warm and comforting rhubarb crisp featuring a crunchy oat and brown sugar topping, perfect for cozy nights and simple dessert cravings.

Ingredients

Scale
  • 4 cups fresh rhubarb, chopped into 1/2-inch pieces (about 500g / 1.1 lbs)
  • 3/4 cup granulated sugar (150g)
  • 1 tablespoon cornstarch
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon (optional)
  • 1 cup old-fashioned rolled oats (90g)
  • 1/2 cup all-purpose flour (60g)
  • 1/2 cup light brown sugar, packed (100g)
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, cold and cubed (115g / 1 stick)

Instructions

  1. Preheat your oven to 375°F (190°C). Grease your baking dish lightly with butter or non-stick spray.
  2. In a large bowl, combine the chopped rhubarb, granulated sugar, cornstarch, vanilla extract, and cinnamon (if using). Stir gently until evenly coated and sugar starts to dissolve.
  3. Transfer the rhubarb mixture into the prepared baking dish, spreading it out evenly.
  4. In a separate bowl, whisk together the rolled oats, flour, brown sugar, cinnamon, and salt until well combined. Add the cold, cubed butter.
  5. Cut the butter into the dry ingredients using a pastry cutter, two forks, or your fingertips until the mixture is crumbly with pea-sized butter pieces.
  6. Sprinkle the topping evenly over the rhubarb filling, covering it completely but not pressing down.
  7. Bake in the preheated oven for 35-40 minutes, or until the topping is golden brown and the filling is bubbling around the edges.
  8. Let the crisp rest for 10-15 minutes before serving to allow the filling to set.

Notes

If topping browns too quickly, tent with foil halfway through baking. Use cold butter for best crumbly texture. Frozen rhubarb can be used if thawed and drained. For gluten-free, substitute flour with almond or gluten-free flour. Dairy-free margarine can replace butter for vegan version.

Nutrition

Keywords: rhubarb crisp, oat topping, brown sugar, easy dessert, cozy dessert, rhubarb dessert, crisp recipe, fruit crisp