Easy Blueberry Lemon Dump Cake Tips, FAQ & printable recipe

Tips for success

To achieve a crunchier topping, you can sprinkle a tablespoon of granulated sugar over the butter slices before putting the dish into the oven. The sugar will caramelize during the baking process, adding a delightful texture contrast to the soft, fruit-filled base.

Additionally, if you find that your oven has hot spots, rotate the baking dish halfway through the baking time to ensure that the cake browns evenly across the entire surface, providing a professional-looking finish to your dessert.

When serving, consider adding a scoop of high-quality vanilla bean ice cream or a dollop of unsweetened whipped cream. The temperature contrast between the warm, bubbling cake and the cold ice cream is truly excellent.

If you have leftovers, they are just as good cold as they are warm, though you might want to reheat them slightly to regain that comforting, fresh-out-of-the-oven experience. Always store leftovers in an airtight container to maintain the best texture and flavor profile for as long as possible.

Variations

• Berry Medley Dump Cake: Replace the blueberry pie filling with a mixture of strawberries, raspberries, and blackberries. The blend of different berries adds a more complex flavor profile while keeping the same simple, easy-to-bake structure.
• Spiced Apple Dump Cake: Use apple pie filling instead of blueberry and sprinkle a teaspoon of ground cinnamon over the cake mix before adding the butter. This version is perfect for cooler weather and pairs beautifully with caramel sauce.

Storage and make-ahead

Fridge

Keep covered in the refrigerator for up to 5 days. Ensure the container is airtight to prevent the cake from absorbing other food odors.

Freezer

Wrap the cooled, baked cake tightly in plastic wrap and then in aluminum foil. Freeze for up to 2 months. Thaw in the refrigerator overnight before reheating.

Reheat

Reheat individual portions in the microwave for 30 to 45 seconds until warm, or bake the entire dish at 300°F (150°C) for 15 minutes until heated through.

Store any leftovers in an airtight container at room temperature for up to two days, or in the refrigerator for up to five days. To maintain the best texture, keep the dish covered tightly.

If you notice any excess moisture, you can place a paper towel over the top before sealing to help absorb humidity, though this is usually not necessary. Always allow the dish to cool completely to room temperature before covering it to prevent condensation from making the crust soggy during storage.

You can assemble the dump cake up to four hours before baking, but keep it in the refrigerator until you are ready to put it in the oven. If you assemble it too far in advance, the dry cake mix may absorb too much moisture from the fruit filling, which can affect the final texture of the crust. For the best results, assemble just before baking. If you choose to refrigerate the unbaked dish, add an extra 5 to 10 minutes to the total baking time.

Serving ideas

Serve the blueberry lemon dump cake warm, ideally about 10 to 15 minutes after it comes out of the oven. Use a large serving spoon to scoop through the layers, ensuring each portion gets a generous amount of the fruity, jammy bottom and the golden, buttery crust. Present the dish in the baking pan for a rustic, home-style look that encourages guests to help themselves. If serving at a gathering, place a large spoon in the center of the dish so everyone can easily serve themselves.

For a more elegant presentation, individual portions can be plated and topped with a sprig of fresh mint or a dusting of lemon zest. The bright color of the blueberries against the golden crust makes for a visually appealing dessert that needs very little adornment.

If the cake has cooled completely, you can warm individual servings in the microwave for 30 seconds to restore the soft, comforting texture. Always ensure that the serving platter or plates are at room temperature to avoid cracking if using glass or ceramic.

Frequently asked questions

Recipe card

Easy Blueberry Lemon Dump Cake

Prep 5 minCook 45 minRest 10 minTotal 1 hServes 8

Ingredients

• 2 cans (21 oz each) blueberry pie filling
• 1 box (15.25 oz) lemon cake mix
• 1 cup unsalted butter, thinly sliced

Instructions

1. Preheat the oven to 350°F (175°C). Pour the blueberry pie filling into the bottom of a 9x13-inch baking dish, spreading it out evenly using a spatula to ensure the entire bottom is covered.
2. Sprinkle the dry lemon cake mix directly over the blueberry pie filling. Ensure the mix is distributed evenly to cover all the berries. Tile the thin butter slices across the entire surface of the cake mix, ensuring good coverage for a golden crust.
3. Place the baking dish in the preheated oven and bake for approximately 45 minutes. Remove the dish when the top is golden brown and the fruit filling is bubbling at the edges. Allow to rest for 10 minutes before serving warm.

Contains: gluten, milk

Estimated nutrition per serving

Calories

380

Protein

2.5 g

Carbohydrates

62 g

Fat

14 g

Fiber

1.5 g

Sugar

42 g

Sodium

320 mg

Automatic estimate from the ingredient list, not laboratory-verified.