Pumpkin Dump Cake So Easy You’ll Wonder Why You Ever Made Pumpkin Pie

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Pumpkin pie filling meets golden buttery cake topping — and somehow the result is better than either of them separately. This is the easiest autumn dessert you’ll make all season, and it tastes like you actually tried.

One hour, one dish, twelve servings. Let’s go.

Ingredients

• 1 can (15 oz / 425g) pumpkin purée
• 1 can (12 oz / 354ml) evaporated milk
• 2 large eggs
• ¾ cup granulated sugar (150g)
• 1–2 teaspoons pumpkin spice
• 1 box (15.25 oz / 432g) yellow cake mix, dry
• ¾ cup butter, melted (170g)

Step-by-Step Instructions

Step 1: Preheat and Prep

Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch baking dish.

Step 2: Make the Pumpkin Layer

In a large bowl, whisk together the pumpkin purée, evaporated milk, eggs, sugar, and pumpkin spice until completely smooth. Pour the mixture evenly into the prepared baking dish.

Step 3: Add the Cake Mix

Sprinkle the dry yellow cake mix evenly over the pumpkin layer, covering it all the way to the edges. Do not stir. The layers stay separate — that’s the whole method.

Step 4: Add the Butter

Slowly pour the melted butter over the top, covering as much of the dry cake mix as possible. Any dry patches will absorb the pumpkin moisture from below during baking — but the more surface coverage the better.

Step 5: Bake

Bake for 50–55 minutes until the top is golden brown and set. The edges will look slightly more done than the center — that’s correct. The pumpkin layer sets like a custard underneath the golden cake topping.

Step 6: Cool Slightly and Serve

Let the cake cool for 10 minutes before serving. Scoop into bowls and serve warm with whipped cream, vanilla ice cream, or a drizzle of caramel sauce.

Pro Tips

Never stir the layers. The pumpkin goes on the bottom, the dry cake mix goes on top, the butter goes over that. Leave them exactly as they are. Stirring turns it into a batter and you lose the whole dump cake effect.

Cover dry spots on the cake mix. After pouring the butter, check if any patches are still completely dry. A small extra drizzle over those spots helps them bake through evenly rather than staying powdery.

The pumpkin layer sets like a pie filling. It will look slightly soft in the center when you pull it from the oven — that’s right. It firms up as it cools. Don’t overbake waiting for it to look completely solid.

Scatter pecans before baking. If you’re adding nuts, put them on before the dish goes in the oven — press them lightly into the butter layer so they toast and become part of the topping rather than sitting loose on top.

Serve slightly warm. This cake is at its best when just slightly warm. The pumpkin layer is silkier and the topping has a better texture than when fully cold.

Variations & Customizations

• Add chopped pecans or walnuts — Scatter ½ cup over the cake mix before drizzling the butter. They toast as the cake bakes and add a beautiful crunch to the topping.
• Add a caramel drizzle — Pour 3–4 tablespoons of caramel sauce over the cake mix before the butter for a caramel-pumpkin combination that’s genuinely excellent.
• Use spice cake mix instead of yellow — Swap the yellow cake mix for a spice cake mix to double down on the warm spice flavor throughout.
• Reduce the sugar — If you prefer it less sweet, reduce the sugar to ½ cup. The evaporated milk and cake mix both add sweetness, so the pumpkin layer can take a reduction without the overall cake suffering.
• Serve with cinnamon whipped cream — Beat 1 cup of cold heavy cream with 1 tablespoon of powdered sugar and ½ teaspoon of cinnamon until soft peaks form. Spoon generously over each serving.

Storage & Reheating

Method	Details
Fridge	Refrigerate covered in an airtight container for up to 4 days.
Reheating	Microwave individual portions for 20–30 seconds. Or warm in a 300°F oven covered with foil for 10 minutes. Best served slightly warm rather than fully hot.
Freezer	Freeze in portions for up to 2 months. Thaw in the fridge overnight and reheat before serving.

Frequently Asked Questions

Do I mix the cake mix in?

No — never. The dry cake mix goes on as a layer directly over the pumpkin and stays there. The butter soaks into it from above and the pumpkin moisture rises from below, baking it into a golden, slightly crispy topping. Mixing it in turns it into batter and completely changes the result.

Can I add nuts?

Yes. Scatter ½ cup of chopped pecans or walnuts over the dry cake mix layer before pouring the butter. They’ll toast as the cake bakes and add a satisfying crunch to the finished topping.

Can I reduce the sugar?

Yes. Reducing to ½ cup works well without noticeably affecting the texture. The evaporated milk and yellow cake mix both contribute sweetness, so the pumpkin layer doesn’t need the full ¾ cup to taste good.

Why is my topping still powdery in spots?

The butter didn’t cover enough surface area. Add a small extra drizzle over any dry-looking patches before baking. Also make sure you’re using the full ¾ cup of butter — less than that and the topping won’t bake through evenly.

Can I make this ahead?

Yes. Bake it the day before, cool completely, cover, and refrigerate. Warm individual portions before serving. It reheats well and the pumpkin layer holds its texture over several days.

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