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Easy Blueberry Dump Cake Recipe


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3.9 from 57 reviews

  • Author: Ava
  • Total Time: 1 hour 15 minutes
  • Yield: 10 servings

Description

This Easy Blueberry Dump Cake is a simple, delicious dessert that combines fresh blueberries with a buttery cake topping. With minimal prep and pantry-friendly ingredients, it bakes to a bubbly, golden perfection that’s perfect for any occasion.


Ingredients

Fruit Mixture

  • 6 cups blueberries
  • 3 tbsp granulated sugar
  • 2 tbsp cornstarch
  • 1 tsp pure vanilla extract
  • 1 lemon (zested and juiced)
  • 1/4 tsp cinnamon

Topping

  • 1 box yellow cake mix
  • 1/2 cup (1 stick) cold butter, cut into 1/4 inch slices


Instructions

  1. Preheat Oven: Set your oven to 350°F (175°C) to allow it to reach the perfect baking temperature while you prepare the ingredients.
  2. Prepare Blueberry Mixture: In a medium bowl, mix together the blueberries, granulated sugar, cornstarch, vanilla extract, lemon zest and juice, and cinnamon. This combination will create a thick, flavorful filling.
  3. Place in Baking Dish: Spray a 9×13 inch baking dish with cooking spray. Pour the blueberry mixture into the dish, spreading it out evenly.
  4. Add Cake Mix: Evenly sprinkle the dry yellow cake mix over the blueberry filling. This forms the base of the crispy cake topping.
  5. Top with Butter: Arrange the slices of cold butter evenly across the top of the cake mix. The butter will melt during baking, creating a rich, golden crust.
  6. Bake: Place the baking dish in the oven and bake for about 1 hour, until the top is golden brown and the blueberry mixture is bubbly.
  7. Cool Before Serving: Remove the cake from the oven and let it cool for 10 minutes so the filling can set slightly, making it easier to serve.

Notes

  • For a tangier flavor, increase the lemon juice slightly.
  • Try using mixed berries or blackberries instead of blueberries for variation.
  • Serve with vanilla ice cream or whipped cream for an extra special treat.
  • Make sure butter slices are cold to help create a flaky crust.
  • Use fresh or frozen blueberries; if frozen, do not thaw before mixing.
  • Prep Time: 15 minutes
  • Cook Time: 1 hour
  • Category: Dessert
  • Method: Baking
  • Cuisine: American