This easy lemon dump cake recipe is a bright, buttery dessert made with two cans of lemon pie filling, one box of lemon cake mix, and one cup of very cold butter. Simply layer the ingredients in a greased 9 x 13-inch baking dish, avoid stirring, and bake at 350°F for 45–50 minutes.
The result is a warmly bubbling lemon dessert with tender, saucy fruit filling and a golden cake-like topping. It takes only 5–10 minutes to prepare, serves approximately 12 people, and is especially delicious with vanilla ice cream or a light dusting of powdered sugar.
Jump to RecipeWhy You’ll Love This Recipe
This lemon dump cake is the kind of dessert that feels special without requiring complicated mixing, measuring, or decorating. There is no separate batter to prepare, and the layers go straight into one baking dish.
The two cans of lemon pie filling provide plenty of bright, saucy flavor, while the lemon cake mix forms a tender topping as it absorbs moisture from the filling and butter. The contrast between tangy lemon, rich butter, and a lightly crisp top makes every spoonful satisfying.
It is also an excellent choice when you need a dessert for a gathering. One 9 x 13-inch dish makes approximately 12 servings, and the recipe can be assembled in about 5–10 minutes before baking.
If you enjoy easy layered desserts, you may also like this pineapple lush dessert, which brings a creamy tropical flavor to the table.
Ingredients You’ll Need
The ingredient list is short, but each item has an important job. Use the quantities below for the saucy, strongly lemon-flavored version of this dessert.
- Two 21-ounce cans of lemon pie filling: This creates the bubbling lemon base and keeps the finished cake moist.
- One approximately 15.25-ounce box of lemon cake mix: Sprinkle it dry over the filling to form the cake-like topping.
- One cup of very cold butter: Thin slices melt through the dry mix and help create golden, buttery patches across the surface.
- One teaspoon of finely grated lemon zest: This is optional, but it adds a fresh citrus aroma.
- Powdered sugar or vanilla ice cream: These optional toppings make the warm dessert even more inviting.
Either salted or unsalted butter works well. For the easiest coverage, keep the butter cold until the moment you slice or grate it.
For another simple cake idea with a different flavor profile, take a look at this pumpkin dump cake for cozy seasonal inspiration.
How to Make It Step-by-Step
Step 1: Heat the oven to 350°F (175°C), then lightly grease a 9 x 13-inch baking dish. Greasing the dish helps the saucy edges release more easily when you serve the cake.
Step 2: Open both cans of lemon pie filling and spread them evenly across the bottom of the prepared dish. If you are using lemon zest, scatter one teaspoon over the filling so its fresh citrus fragrance is distributed throughout the dessert.
Step 3: Sprinkle the dry lemon cake mix over the filling in an even layer. Take a moment to distribute it from corner to corner, but do not stir the cake mix into the lemon layer.
Step 4: Slice one cup of very cold butter into thin pieces and arrange them across the entire surface. Try to cover as much of the cake mix as possible; you can also grate the cold butter over the top for more even coverage.
Step 5: Place the dish in the 350°F oven and bake for 45–50 minutes. Begin checking at 45 minutes, looking for a golden-brown top and lemon filling that is bubbling around the edges.
Step 6: Remove the cake from the oven and let it rest for 10–15 minutes before serving. This brief rest allows the bubbling filling to settle while keeping the dessert wonderfully warm and spoonable.
Pro Tips for the Best Lemon Dump Cake
The most important rule is simple: do not stir the layers. Dump cake works because the dry cake mix gradually absorbs moisture from the lemon pie filling and butter while it bakes.
Butter coverage also matters. Dry patches on top can remain powdery, so slice the butter as thinly as possible and arrange the pieces across the whole dish rather than clustering them in the center.
If you prefer, grate the cold butter with a box grater directly over the cake mix. This creates small shreds that spread easily and help more of the topping become golden and tender.
Start checking at the 45-minute mark. Baking too long may dry the edges, even if the center still looks pleasantly soft.
For a dessert with a richer chocolate-and-coconut direction, you can also browse this chocolate coconut almond poke cake when planning a dessert assortment.
Serving Ideas and Flavor Pairings
Serve lemon dump cake warm from the baking dish after its 10–15-minute rest. The lemon filling will still be soft and spoonable, while the top will have its best buttery texture.
A scoop of vanilla ice cream is the classic partner because the cold, creamy topping balances the warm tart filling. Powdered sugar offers a lighter finish and adds a pretty contrast against the golden crust.
For a simple presentation, spoon portions into shallow bowls and add a small dusting of powdered sugar just before serving. A little finely grated lemon zest on top can reinforce the citrus flavor if you have extra zest available.
If you are building a dessert table, pair this bright lemon bake with a creamy Biscoff poke cake for a pleasant contrast between citrus and warm cookie spice.
Storage and Reheating
Allow leftover cake to cool, then cover the baking dish and refrigerate it. Because the filling is moist, chilled leftovers are best enjoyed within a few days for their freshest texture.
Reheat individual portions gently until warm, or warm a larger amount in the baking dish. The topping may soften after refrigeration, but the buttery lemon flavor remains delicious.
For the best serving experience, add ice cream or powdered sugar after reheating rather than before. This keeps the topping fresh and prevents powdered sugar from disappearing into the moisture.
For a more traditional crumb-topped option to serve alongside this dessert, see our classic crumb cake recipe.
Easy Lemon Dump Cake Recipe
Ingredients
Method
- Heat the oven to 350°F (175°C) and lightly grease a 9 x 13-inch baking dish.
- Spread both cans of lemon pie filling evenly across the bottom of the prepared dish. Sprinkle the optional lemon zest over the filling.
- Sprinkle the dry lemon cake mix evenly over the pie filling. Do not stir or combine the layers.
- Arrange the thin slices of very cold butter over the entire surface, covering as much of the dry cake mix as possible.
- Bake for 45–50 minutes, beginning to check at 45 minutes, until the top is golden brown and the lemon filling bubbles around the edges.
- Let the cake rest for 10–15 minutes before serving. Serve warm with powdered sugar or vanilla ice cream, if desired.
Notes
Final Thoughts
This easy lemon dump cake recipe proves that a memorable dessert does not need a long ingredient list or a complicated method. Two cans of lemon pie filling, a box of lemon cake mix, and cold butter create a bubbling, golden dessert with bold citrus flavor.
Keep the layers separate, cover the cake mix well with butter, and begin checking the oven at 45 minutes. After a short rest, serve each warm portion with vanilla ice cream or powdered sugar for a bright, comforting finish.
1 thought on “Easy Lemon Dump Cake Recipe with Just 3 Main Ingredients”