Every fall I need one dessert that tastes like pumpkin pie but asks for almost none of the work, and this pumpkin dump cake is it. A silky, spiced pumpkin custard goes in the bottom of the pan, a box of yellow cake mix gets sprinkled over the top, and melted butter turns it all into a crisp, golden, buttery crust with toasted pecans. No pie crust, no mixer and no stress.
Below I walk you through why this method works, what each ingredient does, step-by-step instructions, how to plan it for Thanksgiving, fun variations and a troubleshooting table so your topping bakes up crisp instead of dusty. You will also find storage tips and answers to the most common questions. The printable recipe card is waiting at the bottom of the post.
Why This Pumpkin Dump Cake Works
Think of this dessert as the love child of pumpkin pie and a fruit cobbler. The bottom layer bakes into a soft, sliceable custard, while the dry cake mix soaks up the melted butter and turns into a crunchy, almost shortbread-like lid.
- Pumpkin pie flavor without the crust. The filling uses the same pumpkin, evaporated milk, eggs and warm spices you would use in a classic pie.
- A dry cake mix topping. It is sprinkled on straight from the box, never stirred into a batter, so it bakes into crisp, buttery crumbs.
- Toasty pecans. They sit on top and roast in the butter as the cake bakes, adding crunch and a nutty, caramel flavor.
- One pan, easy cleanup. You only dirty a mixing bowl, a whisk and a 9×13-inch dish.
- Feeds a crowd. Fifteen generous squares make it ideal for potlucks, office parties and the holiday dessert table.
It is also one of the most forgiving desserts I make. If the topping is a little uneven or a few dry spots remain, it still tastes wonderful, especially with a cloud of whipped cream on top.
Ingredients You Will Need
Everything here is easy to find in any grocery store in the fall. Set your eggs out for a few minutes so they whisk smoothly into the pumpkin.
- Pumpkin puree: One 15-ounce (425 g) can of plain pumpkin. Do not use pumpkin pie filling, which is already sweetened and spiced.
- Evaporated milk: One 12-ounce (354 ml) can gives the filling its creamy, custardy body.
- Eggs: Three large eggs set the pumpkin layer so it slices neatly.
- Sugar: A mix of brown sugar and granulated sugar adds sweetness with a little molasses depth.
- Pumpkin pie spice and cinnamon: Warm, cozy and classic. A pinch of salt makes the spices pop.
- Yellow cake mix: One standard box, about 15.25 ounces (432 g). Butter golden or white cake mix also work.
- Pecans: Chopped, for crunch. Walnuts are a fine swap.
- Unsalted butter: Melted and drizzled over the top to turn the cake mix into a crisp crust.
How to Make Pumpkin Dump Cake
Heat the oven to 350°F (175°C) and set a rack in the center. Grease a 9×13-inch baking pan with butter or baking spray, paying attention to the corners.
- Whisk the filling. In a large bowl, whisk the pumpkin, evaporated milk, eggs, brown sugar, granulated sugar, pumpkin pie spice, cinnamon, vanilla and salt until completely smooth.
- Pour it in. Pour the pumpkin mixture into the prepared pan and tap the pan on the counter to level it.
- Add the cake mix. Sprinkle the dry cake mix evenly over the pumpkin, all the way to the edges. Do not stir it in.
- Scatter the pecans. Sprinkle the chopped pecans over the cake mix.
- Drizzle the butter. Slowly drizzle the melted butter over the entire surface, aiming to moisten as much of the dry mix as possible.
- Bake. Bake for 50 to 60 minutes, until the top is deep golden brown and the pumpkin layer no longer jiggles in the center.
- Cool. Let the cake cool for at least 30 minutes so the custard can set before you cut it.
If you spot a few dry patches of cake mix halfway through baking, dab them with a little extra melted butter. The top should look golden, toasty and crisp, with the edges bubbling slightly.
Tips for the Best Easy Pumpkin Cake
- Use plain pumpkin puree, not pie filling, so you control the sugar and spice.
- Whisk the filling until no streaks of egg remain. A smooth filling bakes into a silky custard.
- Spread the cake mix evenly. A thick pile in one spot will stay powdery.
- Melted butter covers better than sliced butter in this recipe, so take the extra minute to melt it.
- Check for doneness by gently shaking the pan. The center should wobble only slightly, like a set pie.
- Cool before slicing. Warm custard is too soft to cut into neat squares.
Looking for more pumpkin treats? My creamy pumpkin cheesecake bars are perfect for a dessert tray, and a slice of my classic homemade pumpkin pie never goes out of style. If you love the dump cake method, try my gooey caramel apple dump cake too, or browse all of my easy dessert recipes.
Easy Variations
- Spice cake topping: Swap the yellow cake mix for spice cake mix for an even cozier flavor.
- Cream cheese swirl: Beat 4 ounces softened cream cheese with 1/4 cup sugar and 1 egg yolk, then dollop it over the pumpkin before adding the cake mix.
- Caramel drizzle: Drizzle warm caramel sauce over each square right before serving.
- Gingersnap crunch: Mix 1/2 cup crushed gingersnap cookies with the pecans for extra spice.
- Nut-free: Leave out the pecans and sprinkle 2 tablespoons of coarse sugar over the cake mix instead.
- Half batch: Halve every ingredient and bake in an 8×8-inch pan for 40 to 45 minutes.
Choosing the Best Cake Mix and Pumpkin
Because there are so few ingredients, each one matters. The good news is that you do not need anything fancy, just a few smart choices at the store.
- Yellow or butter golden cake mix gives the richest, most buttery topping and is my first choice.
- White cake mix bakes up a little lighter and crisper, which some people prefer.
- Spice cake mix doubles down on the fall flavor and hides any uneven browning.
- Canned pumpkin is consistent in moisture, which keeps the custard reliable. If you use homemade puree, drain it in a fine strainer for 30 minutes so it is about as thick as canned.
Skip cake mixes labeled pudding in the mix if you can. They tend to stay softer on top and do not crisp quite as well.
Planning Pumpkin Dump Cake for Thanksgiving
With Thanksgiving falling on Thursday, November 26, oven space gets tight fast. This dessert is a smart choice because it bakes early, holds well in the fridge and tastes great cold, at room temperature or gently warmed.
| When | What to do | Why it helps |
|---|---|---|
| Monday or Tuesday | Buy pumpkin, evaporated milk, cake mix and pecans | Pumpkin cans sell out close to the holiday |
| Wednesday | Bake the cake, cool and refrigerate covered | Frees up the oven for the turkey and sides |
| Thursday morning | Whip the cream and keep it chilled | Fresh topping holds its shape best |
| 30 minutes before dessert | Set the cake out or warm squares briefly | Takes the chill off and softens the custard |
A day in the fridge actually improves the texture. The custard firms up and the spices taste deeper, so you get neater slices and a more pumpkin pie like bite.
What to Serve With Pumpkin Dump Cake
- Whipped cream: Lightly sweetened with a pinch of cinnamon is my favorite.
- Vanilla or cinnamon ice cream: Lovely when the cake is warm from the oven.
- Caramel sauce: A thin drizzle plays beautifully with the pecans.
- Hot coffee, chai or apple cider: Cozy drinks that match all those warm spices.
On a holiday dessert table it pairs nicely with something chocolate and something fruity, so every guest finds a favorite. For a full menu of festive ideas, visit my holiday recipe collection.
Common Mistakes and How to Fix Them
| Problem | Likely cause | How to fix it |
|---|---|---|
| Dry, powdery spots on top | Cake mix not fully moistened | Drizzle butter evenly and dab dry spots with extra melted butter halfway through |
| Soupy pumpkin layer | Underbaked or cut while hot | Bake until the center barely wobbles and cool at least 30 minutes |
| Topping too dark | Oven runs hot or pan too high | Bake on the center rack and tent loosely with foil after 40 minutes |
| Filling tastes bland | Pumpkin pie filling used or too little salt | Use plain puree and do not skip the salt |
| Soggy topping the next day | Covered while still warm | Cool completely before covering and refrigerating |
Make Ahead, Storage and Reheating
Because the pumpkin layer is an egg and milk custard, treat it like pumpkin pie. Refrigerate the cake within two hours of baking and keep it covered. The USDA guidance on leftovers and food safety recommends prompt refrigeration and enjoying leftovers within three to four days.
To serve, let squares sit out for 20 to 30 minutes or warm them in the microwave for 15 to 20 seconds. You can also reheat the whole pan, uncovered, at 325°F (165°C) for about 15 minutes to re-crisp the topping. To freeze, cut cooled cake into squares, wrap tightly and freeze for up to 2 months, then thaw overnight in the refrigerator. The topping softens a bit after freezing but still tastes great.
Frequently Asked Questions
Can I use pumpkin pie filling instead of pumpkin puree?
I do not recommend it. Pie filling is already sweetened and spiced, so the cake turns overly sweet. Plain puree gives the best flavor.
Why does my dump cake have dry spots?
The dry cake mix needs butter to bake into a crust. Drizzle the butter evenly and dab any dry patches with a little more butter partway through baking.
Do I need to stir the cake mix into the pumpkin?
No. Sprinkle it evenly on top and leave it alone. That is what creates the crisp, buttery topping.
Is pumpkin dump cake the same as pumpkin crunch cake?
Yes, they are essentially the same dessert. Both use a pumpkin custard base under dry cake mix, nuts and melted butter.
Does pumpkin dump cake need to be refrigerated?
Yes. The filling contains eggs and milk, so refrigerate it within two hours and enjoy leftovers within three to four days.
Ready to bake? Here is the full printable pumpkin dump cake recipe with exact measurements and estimated nutrition.
Pumpkin Dump Cake
Ingredients
Method
- Heat the oven to 350°F (175°C). Grease a 9×13-inch baking pan.
- Whisk the pumpkin, evaporated milk, eggs, brown sugar, granulated sugar, pumpkin pie spice, cinnamon, vanilla and salt until smooth. Pour into the pan.
- Sprinkle the dry cake mix evenly over the pumpkin layer without stirring. Scatter the pecans on top.
- Drizzle the melted butter evenly over the cake mix, moistening as much of the surface as possible.
- Bake for 50 to 60 minutes, until golden brown and the center only barely wobbles.
- Cool for at least 30 minutes before slicing. Serve warm or chilled with whipped cream.
Notes
I hope this cozy, crunchy pumpkin dump cake becomes a fall favorite at your house. If you make it, please leave a comment and a star rating below, and tell me whether you went with whipped cream or ice cream. Happy baking, friends. Chef Amber
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