Blueberry Dump Cake

5 from 1 vote

This easy blueberry dump cake is a foolproof dessert made with simple pantry ingredients in just 10 minutes. Juicy berries and a buttery cake mix topping create a jammy, golden treat perfect for family gatherings, potlucks, or a cozy weeknight indulgence.

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Prep Time 10

Cook Time 45

Rest Time 15

Total Time 1 10

Servings: 12

Course: Dessert

Cuisine: American

Calories: 310

Ingredients Equipment Method Nutrition Notes

Ingredients

4 cups blueberries - Fresh or frozen
⅓ cup granulated sugar - Adjust to taste based on berry sweetness
1 tablespoon lemon juice - Fresh-squeezed
1 tablespoon cornstarch - Helps create a jammy consistency
1 teaspoon vanilla extract - Optional, enhances berry flavor
1 box yellow cake mix - About 15.25 oz
½ cup unsalted butter - Cut into thin slices (can semi-melt if desired)
¼ cup chopped nuts - Optional, for topping

Equipment

9x13 inch baking dish (Lightly greased)
Measuring cups & spoons (For berries, sugar, cornstarch, etc.)
Butter knife (To cut cold butter into thin slices)
Spatula or spoon (To gently stir berry layer)
Optional zester (For lemon zest (if using))

Method

Preheat oven to 350°F and grease a 9x13-inch baking dish.
Spread blueberries, sugar, lemon juice, and cornstarch; gently stir.
Sprinkle dry cake mix over berries and smooth lightly.
Place sliced or semi-melted butter evenly on top; add nuts if desired.
Bake for 45–50 minutes until golden and bubbling.
Let rest for 10–15 minutes and serve warm with desired toppings.

Nutrition

Serving: 150gCalories: 310kcalCarbohydrates: 48gProtein: 2gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 30mgSodium: 340mgPotassium: 130mgFiber: 2gSugar: 27gVitamin A: 350IUVitamin C: 5mgCalcium: 100mgIron: 1.2mg

Notes

Nutrition information is automatically calculated and should be considered an approximation. Actual values may vary based on specific ingredients used and portion sizes.

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