Recipe by
Sophia Martinez
Pastry enthusiast and home baker. I test every recipe at least 3 times before publishing so you get reliable results every time. Learn more about Sophia โ
That bright, tangy smell coming from the oven? Pure happiness. Lemon Dump Cake Easy is exactly what it sounds like no fuss, no mixing bowls, just layers of buttery golden goodness with a punchy lemon flavor that wakes up every single bite.
Spring always makes me want to bake something bright and citrusy and this one has saved me more than once for Easter gatherings and last-minute birthday celebrations. I’ve tested the butter layering technique dozens of times over eight years of recipe development, and the key is distributing those cold butter slices evenly so every corner bakes up perfectly crisp.

Lemon Dump Cake Easy Cozy Way to Make Your Best Dessert
Ingredients
Notes
- Cake is done when top is golden brown and mostly firm. Center may be slightly soft. All ovens are different, so allow 45 to 60 minutes. Can use white or yellow or vanilla or lemon cake mix.

Why Youโll Love This Lemon Dump Cake
Hereโs why this one keeps showing up on Easter tables and spring birthday spreads: it takes about ten minutes to put together and comes out of the oven looking like you actually tried. The golden, buttery top crackles just enough, and underneath is that bright, tangy lemon filling that makes everyone go back for seconds.
Itโs become a go-to when you need a crowd-pleasing dessert fast minimal prep, zero mixing bowls, and a result that genuinely wows. If youโve never made a lemon dump cake before, this is the recipe that will make you wonder why you ever baked anything more complicated.
Three Ingredients, Zero Stress
What makes this recipe so reliable is the simplicity of what goes into it. Every ingredient pulls its weight nothing is decorative, nothing is optional.
- Lemon pie filling (2 cans, 21 oz each): The base layer thick, glossy, and intensely citrusy. Two cans give you that deep, saucy filling every bite deserves.
- Yellow cake mix (1 box, 15.25 oz): Sprinkled dry right over the filling. It absorbs the butter and lemon juices as it bakes, forming a golden, slightly crisp top.
- Butter (1ยฝ sticks, thinly sliced): The secret to even browning. Thin, evenly spaced pats mean no dry powdery patches on top.
How to Make It
Patience with those butter slices makes all the difference take the time to cover every corner and youโll be rewarded with an evenly golden top.
- Preheat your oven to 350 degrees and grease a 9ร13 baking dish.
- Spoon both cans of lemon pie filling into the dish and spread evenly with a spatula.
- Sprinkle the dry cake mix over the filling in an even layer, smoothing it with a spatula or knife.
- Lay thin pats of butter in neat rows across the top, covering as much surface as possible.
- Bake uncovered for 45 to 50 minutes, until the top is golden brown and the filling is hot and bubbling around the edges.
Note: The center may feel slightly soft when you pull it out thatโs normal. It firms up as it cools. All ovens run differently, so check at 45 minutes and allow up to 60 if needed.
Can You Swap the Cake Mix Flavor?
Absolutely and this is one of the easiest ways to make the recipe your own. Keep the swap in the same flavor family so the filling still shines.
- White cake mix gives a slightly lighter, more delicate topping
- Vanilla cake mix adds a warm, sweet note that balances the tartness
- Lemon cake mix doubles down on the citrus for a more intense result
Pro Tip: Avoid strongly flavored mixes like spice or butter pecan they compete with the lemon filling rather than complement it.
How Long Does Lemon Dump Cake Keep?
Good news for make-ahead bakers this dessert holds up beautifully for a few days without losing that satisfying texture.
- Store covered in the refrigerator for up to 4 days
- Let it come to room temperature before serving, or warm individual portions in the microwave for 20 to 30 seconds
- Not recommended for freezing, as the filling can become watery once thawed
Serve it warm with a scoop of vanilla ice cream or a dollop of whipped cream either way, the dish comes back empty.
How I Finally Nailed This Easy Lemon Dump Cake
Iโll be honest the first two times I made this lemon dump cake, the butter pooled in the corners and the top came out uneven. A little embarrassing, but very instructive. After testing different butter distributions and tweaking the layering order, I landed on a version that is bright, tender, and genuinely easy. This is that version.
FAQs ( Lemon Dump Cake Easy )
What is a dump cake?
A dump cake is a simple no-mix dessert where you layer ingredients directly into a baking dish without blending a batter. This recipe uses lemon pie filling and dry cake mix layered with butter slices.
What cake mix works best for this recipe?
Yellow, white, vanilla, or lemon cake mix all work well in this cake. Any of the four options will give you a golden, buttery topping over the lemon filling.
How do you know when this cake is done?
This dessert is done when the top is golden brown and mostly firm, with a hot, bubbly filling. The center may be slightly soft โ bake 45 to 60 minutes depending on your oven.
Do you mix the ingredients together?
No mixing needed โ just layer the lemon pie filling, sprinkle the dry cake mix on top, and place butter slices in rows. Bake uncovered at 350 degrees.
How many servings does this recipe make?
This treat makes 12 servings and is easy to prepare in about 10 minutes. It is a budget-friendly crowd-pleaser at around $10 total.

Your New Go-To Lemon Dessert Is Ready
This Lemon Dump Cake comes together in about ten minutes flat and the golden, bubbling result honestly looks like you spent the afternoon in the kitchen. That crackly buttery top over the bright, tangy filling is the kind of payoff that makes people ask for the recipe before theyโve even finished their slice.
A few things worth keeping in mind before you bake: those thin, evenly spaced butter slices really do make the difference between a perfectly golden top and a dry, powdery one so donโt rush that step. If you want a slightly more intense citrus flavor, swapping in a lemon cake mix instead of yellow is an easy way to dial it up. And leftovers store beautifully in the fridge for up to four days just warm a portion for about twenty seconds and it tastes freshly baked all over again.
If you make this for a Motherโs Day brunch or a spring birthday spread, drop a comment below or share a photo itโs always great to hear how it turned out. Having a reliable dessert like this one in your back pocket makes every celebration just a little easier.