Lemon Blueberry Cheesecake Dump Cake

The Sunday my sister hosted her first dinner party, she called me in a mild panic about dessert. I suggested this dump cake because even if you are not a baker, you cannot mess it up. She sent me a photo afterward of an empty serving dish and her husband asking if there was any left hidden in the kitchen. That is the kind of victory I am talking about.

Last summer, my neighbor brought over a container of fresh blueberries from her garden. I had cream cheese sitting on the counter from a bagel experiment gone wrong, and suddenly this dessert made itself. We ate it on her back porch while the kids caught fireflies, and I remember thinking this is exactly what summer should taste like.

Ingredients

• Fresh or frozen blueberries: Two cups gives you those burst in your mouth moments that make every bite interesting
• Blueberry pie filling: One 21 ounce can creates that lush, jammy base that holds everything together
• Lemon zest: One tablespoon packs so much aromatic power and makes the whole house smell amazing while baking
• Lemon juice: Two tablespoons cuts through the sweetness and wakes up all the flavors
• Cream cheese: Eight ounces softened is non negotiable for that creamy layer people will think you slaved over
• Granulated sugar: One third cup sweetens the cheesecake layer just enough without becoming cloying
• Large egg: One egg binds the cream cheese layer into something silky and sliceable
• Vanilla extract: One teaspoon is the quiet backbone that makes everything taste complete
• Lemon cake mix: One 15.25 ounce box forms the buttery crust topping that gets golden and crisp
• Unsalted butter: Half cup melted transforms that cake mix into something extraordinary

Instructions

Get your oven ready:

Preheat to 350 degrees F and grease a 9 by 13 inch baking dish so nothing sticks to the sides

Build the fruit foundation:

Spread your blueberries and pie filling evenly across the bottom, then sprinkle with zest and drizzle with juice

Make the creamy magic:

Beat cream cheese, sugar, egg, and vanilla until smooth, then drop spoonfuls over the fruit without mixing them together

Add the cake layer:

Sprinkle the dry cake mix over everything like you are tucking it in for a nap

Drizzle the butter:

Pour melted butter evenly across the top so most of that cake mix gets kissed with moisture

Let it bake:

Wait 40 to 45 minutes until golden and bubbling, then give it 15 minutes to settle before serving

Save

My aunt made this for our family reunion last year, doubling the recipe in those giant aluminum pans. The smell coming from the pavilion kitchen had people wandering over from the volleyball courts asking what was happening. By the time dinner officially ended, every pan was scraped clean and three people had asked for the recipe.

Make It Your Own

I have swapped cherry pie filling and almond extract when blueberries were not in season, and honestly, it became a whole new dessert that nobody complained about. The beauty of this recipe is how forgiving it is while still feeling special enough for company.

Serving Suggestions

Warm from the oven is my favorite way to serve this, but it is also excellent at room temperature for a potluck where you cannot predict serving time. A little whipped cream or vanilla ice cream on top never hurt anyone either.

Storage and Make Ahead Tips

You can assemble everything except the butter drizzle up to a day ahead and refrigerate it covered. Just add the butter and bake when you are ready. Leftovers keep surprisingly well in the fridge for a couple of days, assuming they last that long.

• Reheat individual portions in the microwave for 20 seconds
• Cover leftovers with foil to prevent the top from getting too dark in the fridge
• Bring chilled portions to room temperature for the best texture

Save

Sometimes the easiest desserts are the ones people remember most, long after they have forgotten about the elaborate three layer cake that took all afternoon.

Recipe FAQs

→ Can I use frozen blueberries instead of fresh?

Yes, frozen blueberries work perfectly in this dump cake. No need to thaw them first—simply scatter them in the baking dish with the pie filling. They'll release moisture during baking and blend beautifully with the other layers.

→ How do I know when the dump cake is done baking?

The cake is ready when the top is lightly golden brown and you see bubbling around the edges, particularly where the fruit filling meets the pan. The center should appear set rather than wet or cakey-looking.

→ Can I prepare this dessert ahead of time?

You can assemble all layers and refrigerate unbaked for up to 24 hours before baking. Add 5–10 minutes to the baking time if baking from cold. For best results, bake fresh and reheat individual portions if needed.

→ What toppings work well with this dessert?

Warm slices pair beautifully with whipped cream, vanilla ice cream, or a dusting of powdered sugar. The creamy, tangy flavors also complement a dollop of sour cream or crème fraîche for added richness.

→ Can I substitute the blueberry pie filling?

While blueberry pie filling provides consistent sweetness and texture, you can swap it for cherry, strawberry, or mixed berry preserves. Adjust fresh fruit accordingly and consider adding 1–2 tablespoons sugar if using less sweet preserves.