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raspberry rhubarb crisp recipe card next to finished dish

Raspberry Rhubarb Crisp

Ava Thompson
This raspberry rhubarb crisp is a golden-topped summer classic with tart rhubarb, juicy raspberries, and a sweet oat crumble. Includes gluten-free and vegan options, plus metric conversions.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 6 servings
Calories 310 kcal

Equipment

  • 9x9 inch baking dish
  • Mixing Bowls
  • Pastry cutter (or fork)

Ingredients
  

Fruit Filling

  • 3 cups rhubarb, chopped
  • 2 cups raspberries fresh or frozen
  • ¾ cup granulated sugar
  • 2 tbsp cornstarch
  • 1 tsp vanilla extract
  • lemon zest optional

Crisp Topping

  • 1 cup rolled oats
  • ¾ cup all-purpose flour
  • cup brown sugar light or dark
  • ½ tsp ground cinnamon
  • ½ tsp salt
  • ½ cup unsalted butter cold and diced

Instructions
 

  • Preheat oven to 375°F (190°C) and grease a 9x9 inch baking dish.
  • In a bowl, combine rhubarb, raspberries, sugar, cornstarch, vanilla, and lemon zest. Let sit for 10 minutes.
  • In a separate bowl, mix oats, flour, brown sugar, cinnamon, and salt. Add butter and work into coarse crumbs.
  • Spoon fruit filling into dish. Sprinkle topping evenly over the surface.
  • Place dish on a baking tray and bake uncovered for 40–45 minutes, until golden and bubbling.
  • Let cool for 15–20 minutes before serving.

Notes

You can assemble this crisp ahead of time and refrigerate it for up to 24 hours before baking. Leftovers reheat well in the oven. Gluten-free and vegan options are included in the instructions above.
Keyword fruit crisp, raspberry rhubarb crisp, summer dessert