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Easy Blueberry Dump Cake Recipe with Crispy Golden Topping Perfect for Summer Dessert

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A quick and easy blueberry dump cake with a crispy golden topping, perfect for summer gatherings or a cozy night in. This fuss-free dessert combines juicy blueberries with a crunchy cake mix crust.

Ingredients

Scale
  • 4 cups fresh or frozen blueberries
  • 1 cup granulated sugar
  • 1 tablespoon freshly squeezed lemon juice
  • 1 box (15.25 oz) yellow cake mix
  • 1 cup (2 sticks) unsalted butter, melted
  • 1/2 teaspoon ground cinnamon (optional)

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a medium mixing bowl, combine 4 cups of blueberries with 1 cup of granulated sugar and 1 tablespoon of freshly squeezed lemon juice. Toss gently until the berries are evenly coated.
  3. Spread the blueberry mixture evenly into your 9×13-inch baking dish.
  4. Sprinkle the dry yellow cake mix evenly over the blueberries without stirring.
  5. Optional: Sprinkle 1/2 teaspoon of ground cinnamon over the cake mix.
  6. Melt 1 cup (2 sticks) of unsalted butter until fully liquid and pour evenly over the cake mix.
  7. Bake uncovered for 40–45 minutes until the top is golden brown and crispy and the blueberry juices are bubbling around the edges. If the topping browns too fast, loosely tent with foil after 30 minutes.
  8. Remove from oven and let cool for at least 15 minutes before serving.

Notes

If blueberries seem watery, add 1 teaspoon cornstarch to the berry mix to thicken juices. Pour melted butter slowly and evenly to avoid dry spots. Use a metal baking dish for extra crispness. Leftovers can be reheated gently to restore crisp topping. For gluten-free or dairy-free versions, substitute cake mix and butter accordingly.

Nutrition

Keywords: blueberry dump cake, easy dessert, summer dessert, quick cake, blueberry dessert, dump cake recipe, crispy topping