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Apple Blueberry Crumble

This easy apple blueberry crumble combines tender fruit with a crispy oat topping. Perfect for beginners and busy families who want a homemade dessert without complicated steps. Serves eight people and takes about one hour total time.
Prep Time 10 minutes
Cook Time 40 minutes
Chill Time 10 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 8
Calories 285 kcal

Ingredients
  

Fruit Filling

  • 6 medium apples (peeled and thinly slices)
  • 2 cups fresh blueberries
  • 1/2 cup granulated sugar
  • 2 tablespoons all-purpose flour
  • 1 teaspoon ground cinnamon
  • 1 teaspoon vanilla extract
  • 1 tablespoon fresh lemon juice

Crumble Topping

  • 1 cup all-purpose flour
  • 1 cup old-fashioned oats
  • 1/2 cup brown sugar
  • 1/2 cup cold butter (cubed)
  • 1/2 teaspoon salt

Instructions
 

  • Preheat oven to 375°F and grease a 9x13-inch baking dish with butter or cooking spray thoroughly.
  • Combine sliced apples and blueberries with 1/2 cup sugar, 2 tablespoons flour, cinnamon, vanilla, and lemon juice.
  • Mix flour, oats, brown sugar, and salt in a separate bowl, then cut in cold butter until mixture resembles coarse crumbs.
  • Spread fruit mixture evenly in prepared baking dish and top with crumble mixture, covering fruit completely with topping.
  • Bake for 35-40 minutes until topping is golden brown and fruit bubbles around the edges of the baking dish.
  • Cool for 10 minutes before serving to allow fruit juices to thicken and prevent runny filling when you scoop it.

Notes

  • Keep butter cold when making crumble topping for the best crispy texture and results.
  • Taste the fruit first and adjust the sugar based on the natural sweetness of your apples and berries.
  • Cover with foil if the topping browns too quickly during the last ten minutes of baking.
  • This crumble tastes amazing with vanilla ice cream or fresh whipped cream on top.
  • Store leftovers covered in the fridge for up to 4 days and reheat individual portions.
  • You can assemble this dessert the night before and bake when ready to serve guests.