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Easy Nectarine Blueberry Crisp Recipe with Perfect Oat Crumble Topping

Easy Nectarine Blueberry Crisp - featured image

A simple and effortless dessert featuring juicy nectarines and blueberries topped with a golden, crumbly oat topping. Perfect for a cozy, everyday sweet treat ready in under 45 minutes.

Ingredients

Scale
  • 4 fresh nectarines, pitted and sliced
  • 1 cup fresh blueberries (or frozen, no need to thaw)
  • 1/4 cup granulated sugar
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon lemon zest (optional)
  • 1 tablespoon cornstarch
  • 1/2 teaspoon ground cinnamon
  • 3/4 cup old-fashioned rolled oats
  • 1/2 cup all-purpose flour (can substitute almond flour for gluten-free)
  • 1/3 cup light brown sugar, packed
  • 1/4 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 6 tablespoons unsalted butter, cold and cubed (can substitute coconut oil for dairy-free)

Instructions

  1. Preheat the oven to 350°F (175°C). Lightly grease a 9-inch square baking dish with butter or non-stick spray.
  2. In a large mixing bowl, combine sliced nectarines, blueberries, granulated sugar, lemon juice, lemon zest, cornstarch, and cinnamon. Toss gently until fruit is evenly coated.
  3. Pour the fruit mixture into the prepared baking dish, spreading evenly without overcrowding.
  4. In a separate bowl, mix rolled oats, flour, brown sugar, salt, and cinnamon. Add cold, cubed butter and cut into the dry ingredients using a pastry cutter, fork, or fingertips until mixture resembles coarse crumbs with some pea-sized butter chunks.
  5. Sprinkle the oat crumble topping evenly over the fruit without pressing down.
  6. Bake in the preheated oven for 35-40 minutes until the topping is golden brown and the fruit is bubbly around the edges.
  7. Let the crisp cool slightly for 5-10 minutes before serving. Serve warm, optionally with vanilla ice cream or whipped cream.

Notes

Use cold butter cut into small cubes for the best crumbly topping texture. Avoid overmixing the topping to prevent greasiness. If topping browns too quickly, tent with foil halfway through baking. Fresh nectarines are preferred for best texture; if using frozen, thaw and drain excess liquid. For gluten-free, substitute almond flour and use certified gluten-free oats. For dairy-free, substitute coconut oil for butter.

Nutrition

Keywords: nectarine crisp, blueberry crisp, oat crumble topping, easy dessert, fruit crisp, summer dessert, gluten-free option, dairy-free option