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Cozy Blueberry Crisp Recipe with Easy Buttery Oat Topping You’ll Love

blueberry crisp - featured image

A comforting blueberry crisp featuring juicy berries and a buttery oat topping that is crisp yet tender, perfect for cozy evenings and quick desserts.

Ingredients

Scale
  • 4 cups (600g) fresh or frozen blueberries (no need to thaw if frozen)
  • ¼ cup (50g) granulated sugar (adjust based on berry sweetness)
  • 1 tablespoon lemon juice
  • 1 tablespoon cornstarch
  • ½ teaspoon ground cinnamon (optional)
  • Pinch of salt
  • 1 cup (90g) old-fashioned rolled oats
  • ¾ cup (95g) all-purpose flour (can substitute almond flour for gluten-free)
  • ⅓ cup (65g) packed light brown sugar
  • ½ teaspoon ground cinnamon
  • ¼ teaspoon salt
  • ½ cup (115g) unsalted butter, cold and cubed (use dairy-free butter if preferred)
  • Optional: ¼ cup (30g) chopped walnuts or pecans

Instructions

  1. Preheat your oven to 350°F (175°C) and grease your baking dish lightly with butter or non-stick spray.
  2. In a medium bowl, combine blueberries, sugar, lemon juice, cornstarch, cinnamon, and a pinch of salt. Toss gently until berries are evenly coated.
  3. Transfer the berry mixture into the greased baking dish, spreading it out evenly.
  4. In a separate bowl, whisk together oats, flour, brown sugar, cinnamon, and salt.
  5. Add the cold, cubed butter and use a pastry cutter or fingertips to work the butter into the dry ingredients until the mixture resembles coarse crumbs with some pea-sized bits.
  6. Optional: Stir in chopped nuts for extra texture and flavor.
  7. Evenly sprinkle the oat topping over the blueberry filling, covering the berries completely but loosely.
  8. Bake for about 40-45 minutes or until the topping is golden brown and the filling is bubbling around the edges. Check after 35 minutes and tent with foil if browning too fast.
  9. Cool slightly for 10-15 minutes before serving to allow the filling to set.

Notes

Keep the butter cold to achieve a crumbly topping. Do not over-mix the topping to avoid toughness. Frozen blueberries can be used without thawing but may require extra cornstarch. Let the crisp rest after baking for easier serving. For extra crunch, broil 1-2 minutes at the end, watching carefully to avoid burning. The topping can be prepared ahead and refrigerated. For vegan or gluten-free versions, substitute butter and flour accordingly.

Nutrition

Keywords: blueberry crisp, oat topping, easy dessert, cozy dessert, blueberry dessert, fruit crisp, buttery oat topping, quick dessert