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Easy Tangy Strawberry Rhubarb Crisp Recipe with Perfect Oat Crumble Topping

Easy Tangy Strawberry Rhubarb Crisp - featured image
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A quick and comforting dessert featuring a tangy strawberry and rhubarb filling topped with a buttery, crunchy oat crumble. Perfect for spring and summer, this crisp balances tartness and sweetness with a rustic texture.

Ingredients

Scale
  • 3 cups fresh rhubarb, chopped into ½-inch pieces
  • 2 cups fresh strawberries, hulled and halved
  • ⅓ cup granulated sugar
  • 2 tbsp brown sugar
  • 1 tbsp fresh lemon juice
  • 2 tbsp cornstarch
  • 1 tsp vanilla extract
  • 1 cup old-fashioned rolled oats
  • ½ cup all-purpose flour (or gluten-free blend for GF option)
  • 2 tbsp almond flour (optional)
  • ½ cup packed brown sugar
  • 1 tsp ground cinnamon
  • ¼ tsp salt
  • ½ cup unsalted butter (1 stick), cold and cubed

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a large bowl, combine chopped rhubarb and halved strawberries. Add granulated sugar, brown sugar, lemon juice, cornstarch, and vanilla extract. Gently toss until fruit is evenly coated and mixture thickens slightly.
  3. Transfer the fruit mixture to an 8×8 inch baking dish, spreading evenly.
  4. In a separate bowl, stir together rolled oats, all-purpose flour, almond flour (if using), brown sugar, cinnamon, and salt.
  5. Add cold, cubed butter to the oat mixture. Use a pastry cutter, forks, or fingertips to cut butter into the dry ingredients until mixture resembles coarse crumbs with pea-sized butter bits.
  6. Evenly sprinkle the oat crumble topping over the fruit filling without pressing down.
  7. Bake in the preheated oven for 40–45 minutes until topping is golden brown and juices bubble around edges. Tent with foil if topping browns too quickly.
  8. Let the crisp cool for at least 15 minutes before serving to allow juices to thicken.
  9. Optional: Broil for 1–2 minutes at the end for extra crunchy topping, watching carefully to avoid burning.

Notes

Use cold butter for a crumbly topping. Do not overmix the crumble to keep pea-sized butter chunks. Frozen fruit can be used if thawed and drained. For gluten-free, substitute all-purpose flour with gluten-free blend or almond flour. For vegan, use coconut oil or vegan butter and coconut sugar. Broil briefly for extra crunch if desired. The crisp can be assembled ahead and refrigerated for up to 24 hours before baking.

Nutrition

Keywords: strawberry rhubarb crisp, oat crumble topping, easy dessert, spring dessert, summer dessert, fruit crisp, gluten-free option, vegan option

Find it online: https://lucydishes.com/easy-tangy-strawberry-rhubarb-crisp-recipe-with-perfect-oat-crumble-topping/