Blueberry Lemon Dump Cake
Sarah
This Blueberry Lemon Dump Cake is a bright, buttery, and incredibly easy dessert made with juicy blueberries and zesty lemon cake mix. With just a few ingredients and no mixing bowls required, this foolproof blueberry lemon dump cake recipe is perfect for beginners, last-minute guests, potlucks, or anytime you want a sweet treat with minimal effort and maximum flavor.
Prep Time 5 minutes mins
Cook Time 45 minutes mins
Total Time 50 minutes mins
- 1 can 21 oz blueberry pie filling
- 1 –1½ cups fresh or frozen blueberries optional
- 1 box lemon cake mix use dry, not prepared
- ¾ cup unsalted butter melted or thinly sliced
- 1 teaspoon lemon zest optional
- 1 –2 tablespoons sugar optional, if blueberries are tart
- ½ teaspoon vanilla extract optional, if using homemade filling
Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
Spread blueberry pie filling evenly in the bottom of the dish.
Sprinkle fresh or frozen blueberries evenly over the filling, if using.
Sprinkle dry lemon cake mix evenly over the blueberries. Do not stir.
Drizzle melted butter evenly over the cake mix, or distribute butter slices across the top.
Sprinkle lemon zest over the top if using.
Bake uncovered for 40–45 minutes, until the top is golden and the filling is bubbling around the edges.
Remove from oven and rest for 10 minutes before serving.
-
Dump cakes work best when layered—never mix the ingredients.
-
Make sure all cake mix is moistened with butter to avoid dry patches.
-
Serve warm for the best texture, especially with ice cream.