This Lemon Blueberry Dump Cake is a bright and simple dessert made with lemon pie filling, juicy blueberries, and buttery cake mix. Just dump, bake, and enjoy a golden, bubbly treat bursting with citrusy berry goodness.
PrintLemon Blueberry Dump Cake
A Slice of Sunshine: Lemon Blueberry Dump Cake
There is something magical about the combination of lemons and blueberries. It is bright, fresh, and just the right balance of tart and sweet like that first warm breeze after a long winter or the scent of clean laundry drying in the summer sun. That is exactly the feeling this Lemon Blueberry Dump Cake brings to the table.
It is the kind of dessert you make when you are short on time but craving something homemade and comforting. No fancy equipment or mixing bowls here with just a handful of ingredients, a trusty baking dish, and a little faith in the simplicity of “dump and bake.”
The lemon pie filling brings a smooth, zesty base while the blueberries burst with sweet juiciness as they bake. A buttery cake mix topping browns to golden perfection in the oven, creating a crisp edge that gives way to soft, gooey layers underneath. It is rustic. It is nostalgic. And it is exactly what you would want to share with friends on the porch, at a backyard picnic, or even curled up inside on a rainy afternoon.
Best of all, this recipe is endlessly adaptable. Use fresh or frozen berries, swap in a lemon cake mix for an extra citrus punch, or add a handful of chopped nuts for crunch. Serve it warm with vanilla ice cream, or chilled with a spoonful of whipped cream and a sprinkle of lemon zest.
Whether you are celebrating a sunny day, need a quick dessert for unexpected company, or just want a little joy with your coffee, this Lemon Blueberry Dump Cake delivers comfort and cheer — one golden, jammy bite at a time.
- Prep Time: 10
- Cook Time: 45-50 minutes
- Total Time: 55-60 minutes
- Yield: 12 servings 1x
- Category: Cakes
- Method: Oven
- Cuisine: American
Ingredients
1 can (21 oz) lemon pie filling (or try my homemade lemon curd recipe)
2 cups fresh or frozen blueberries (no need to thaw)
1 box (15.25 oz) yellow or lemon cake mix
1/2 cup (1 stick) unsalted butter, melted
Optional: zest of 1 lemon, 1/2 tsp vanilla extract, whipped cream for serving
Instructions
-
Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
-
Spread lemon pie filling evenly in the bottom of the dish.
-
Sprinkle blueberries over the lemon filling.
-
Evenly pour the dry cake mix over the top — do not stir.
-
Drizzle melted butter over the cake mix, covering as much as possible.
-
Bake for 45–50 minutes, until golden and bubbling.
-
Cool slightly and serve warm, or refrigerate and serve chilled.
Notes
-
Pro Tip: For a richer and more vibrant lemon flavor, try using homemade or store-bought lemon curd instead of lemon pie filling. Use about 1 to 1¼ cups of lemon curd. Its creamy, tangy texture pairs beautifully with the juicy blueberries and adds a lovely depth to the dessert. If your curd is thick, gently warm it before spreading to make it easier to work with. You can find my easy Lemon Curd Recipe here!
-
If you like a more buttery, golden crust, increase the butter to 1½ sticks (¾ cup). This will make the topping crispier and add extra richness.
-
Feel free to swap the yellow cake mix for white or lemon cake mix to intensify the citrus notes.
-
For added texture and flavor, sprinkle sliced almonds or toasted pecans on top before baking.
-
This dump cake is delicious served warm with vanilla ice cream or chilled topped with whipped cream and a sprinkle of lemon zest.
-
Pair this dessert with a light drink like sparkling lemonade, iced tea, or a crisp white wine to complement the fresh lemon and blueberry flavors.
-
Leftovers keep well covered in the refrigerator for up to 3 days and taste great warmed up or cold
Ready to brighten your day with a burst of lemony, berry bliss? 🍋🫐 Grab your ingredients, embrace the easy “dump and bake” magic, and treat yourself to this sunny Lemon Blueberry Dump Cake. Don’t forget to tag me when you whip it up — I want to see your golden, bubbly creations! Let’s spread some sweet joy, one delicious slice at a time. 💛✨
Nutrition Disclaimer: The nutritional information provided is an estimate based on standard ingredients and serving sizes. Actual values may vary depending on specific products used and portion sizes. This information is provided for convenience and should not be considered medical or dietary advice
Nutrition
- Serving Size: 1/12th of cake
- Calories: 310
- Fat: 13
- Carbohydrates: 46
- Protein: 2