Easy Pumpkin Dump Cake with Buttery Pecan Topping

This Pumpkin Dump Cake combines a creamy, warmly spiced pumpkin filling with a golden cake topping and crunchy pecans. It has the comforting flavor of pumpkin pie with the ease of a simple baking-dish dessert.

Serve it slightly warm with whipped cream or vanilla ice cream for a cozy fall treat. With canned pumpkin and a box of yellow cake mix, this recipe keeps preparation simple while delivering plenty of homemade flavor.

Prep time: 15 minutes
Bake time: 55–65 minutes
Cooling time: 30 minutes
Total time: Approximately 1 hour 45 minutes
Yield: 12 servings
Pan: 9 × 13-inch baking dish
Oven temperature: 350°F / 175°C

What Is Pumpkin Dump Cake?

Pumpkin dump cake is a layered dessert made by spreading a pumpkin custard mixture in a baking dish, sprinkling dry cake mix over it, and adding butter before baking.

As it cooks, the pumpkin layer becomes soft and creamy while the butter moistens the cake mix to create a rustic, crumbly topping. Pecans add crunch and a toasted, nutty flavor.

Despite its name, this dessert is closer in texture to a pumpkin cobbler or crumble than a fluffy layer cake. Warm portions are best scooped onto plates; chilled portions hold their shape more firmly.

Why You’ll Love This Recipe

• Simple preparation: Whisk the filling, layer the topping, and bake.
• Comforting fall flavor: Pumpkin, cinnamon, ginger, and buttery pecans in every serving.
• Easy to share: One baking dish makes 12 generous portions.
• Flexible serving options: Enjoy it warm, chilled, or gently reheated.
• No mixer needed: A bowl, whisk, and baking dish are enough.

Ingredients For Easy Pumpkin Dump Cake with Buttery Pecan Topping

• 1 can 100% pumpkin purée, 29 ounces / 822 g
• 1 can evaporated milk, 12 fluid ounces / 354 ml
• 3 large eggs
• ½ cup packed light brown sugar, about 100 g
• ½ cup granulated sugar, about 100 g
• 2 teaspoons pumpkin pie spice
• 1 teaspoon ground cinnamon
• 2 teaspoons vanilla extract
• ½ teaspoon fine salt

For the topping

• 1 box yellow cake mix, 15.25 ounces / 432 g
• 1 cup unsalted butter, 226 g, melted and cooled slightly
• 1 cup roughly chopped pecans, about 110 g

For serving, optional

• Whipped cream
• Vanilla ice cream
• A light dusting of cinnamon

Ingredient Notes for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Pumpkin purée: Choose plain canned pumpkin, not pumpkin pie filling. Pie filling already contains sugar and spices, which would change the sweetness and seasoning.

Evaporated milk: Use unsweetened evaporated milk. Sweetened condensed milk is much sweeter and is not a direct replacement.

Cake mix: This recipe uses a 15.25-ounce box. Package sizes vary, so check the label. Do not add the eggs, oil, or water listed on the cake-mix package.

Butter: Even coverage helps prevent dry powdery areas. Melted butter is easy to distribute slowly across the surface.

Pecans: Roughly chop them so they are easy to eat and spread evenly. You can leave them out if needed.

How to Make Pumpkin Dump Cake

1. Prepare the oven and baking dish

Preheat the oven to 350°F / 175°C. Place a rack in the center of the oven.

Lightly grease a 9 × 13-inch baking dish with butter or cooking spray. Use a dish at least 2 inches deep to comfortably hold the filling and topping.

2. Mix the pumpkin filling

In a large bowl, whisk together the pumpkin purée, evaporated milk, eggs, brown sugar, granulated sugar, pumpkin pie spice, cinnamon, vanilla, and salt.

Mix until the eggs are fully incorporated and the filling looks smooth. Break up any visible lumps of brown sugar.

The mixture will be pourable and considerably thinner than ordinary cake batter. That is expected.

3. Add the filling to the pan

Pour the pumpkin mixture into the prepared baking dish. Spread it evenly into the corners with a spatula.

Keeping the filling level helps the dessert bake consistently.

4. Sprinkle on the dry cake mix

Sprinkle the dry yellow cake mix evenly over the entire surface.

Break apart large clumps with your fingers or a fork. Aim for a thin, even blanket rather than thick piles, which can remain powdery after baking.

Do not stir the cake mix into the pumpkin filling.

5. Add the butter and pecans

Slowly drizzle the melted butter over the cake mix, moving back and forth across the dish. Cover as much of the dry mix as possible.

Use the back of a spoon to gently spread butter over any obvious dry patches without mixing the layers.

Scatter the chopped pecans evenly over the top.

6. Bake until golden and set

Bake for 55–65 minutes, checking from about 50 minutes.

The topping should be golden brown, the edges should look set, and the center should have a gentle wobble rather than a loose, liquid movement.

A toothpick is less useful here than it is for a sponge cake because the pumpkin layer is naturally moist.

If the pecans or topping brown before the center is ready, loosely cover the dish with foil and continue baking.

7. Cool before serving

Let the cake cool on a wire rack for at least 30 minutes.

This resting time helps the pumpkin filling firm up. The dessert will still be soft enough to scoop and serve warm.

For firmer portions, cool further and refrigerate before cutting.

8. Add your favorite topping

Serve with a spoonful of whipped cream or a scoop of vanilla ice cream. A little cinnamon on top adds a simple finishing touch.

Tips for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Spread the cake mix evenly. Thick mounds are more likely to leave dry pockets. Take a moment to level the surface before adding butter.

Cover dry areas before baking. Butter should reach most of the topping. If you notice a small powdery patch partway through baking, carefully moisten it with a little additional melted butter.

Watch the center. A browned topping does not always mean the pumpkin filling is ready. Check both the surface and the movement of the center.

Let it rest. Cutting immediately after baking produces a much looser serving. Cooling gives the custard time to settle.

Keep the topping uncovered while cooling. Covering a hot dish traps steam and softens the crumble. Once cool enough to refrigerate, cover it for storage.

Easy Variations for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Pumpkin Spice Dump Cake

Replace the yellow cake mix with an equal-size box of spice cake mix. For a milder result, omit the extra teaspoon of cinnamon from the filling.

Nut-Free Pumpkin Dump Cake

Leave out the pecans. The buttery cake topping still provides texture. If cooking for someone with a nut allergy, check ingredient labels for their needs.

Walnut Pumpkin Dump Cake

Use chopped walnuts in place of pecans for a slightly earthier flavor.

Chocolate Chip Pumpkin Dump Cake

Scatter ½ cup chocolate chips over the pumpkin filling before adding the cake mix. The chocolate will melt into pockets beneath the topping.

Less-Sweet Serving Option

Serve with unsweetened whipped cream instead of ice cream. This balances the sweet topping without changing the structure of the recipe.

What to Serve with Easy Pumpkin Dump Cake with Buttery Pecan Topping

Vanilla ice cream is a natural match for a warm serving, while lightly sweetened whipped cream keeps the plate lighter.

For drinks, pair it with coffee, black tea, or warm apple cider. The dessert is rich, so small portions work well after a large dinner.

For a simple presentation, spoon a serving onto a white plate, add cream beside it, and let the orange pumpkin filling and golden topping remain visible.

Storage and Reheating for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Because the filling contains eggs and milk, refrigerate leftovers rather than storing them on the counter overnight.

Refrigerator: Cover and refrigerate within two hours of baking. Enjoy within 3–4 days.

Freezer: Freeze cooled portions in airtight containers for up to 2 months for best quality. Thaw overnight in the refrigerator. The topping may soften after freezing.

Microwave: Warm an individual serving in short intervals until heated through.

Oven: Reheat in an oven-safe dish at 300°F / 150°C until warm. Loosely cover if the topping begins browning further.

Add whipped cream or ice cream after reheating.

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Frequently Asked Questions for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Can I make pumpkin dump cake ahead of time?

Yes. Bake it a day ahead, cool, cover, and refrigerate. Serve chilled or gently reheat before serving. The topping is crispest on the day it is baked.

Can I use fresh pumpkin purée?

Yes, provided it is thick and smooth. Homemade purée can contain more water than canned pumpkin. Drain watery purée before weighing out 822 g.

Why is there dry cake mix on top?

The butter may not have reached that area, or the cake mix may have been piled too thickly. Spread the mix evenly and distribute the butter carefully.

Why is my pumpkin dump cake runny?

It may need more baking time or more cooling time. Excess water in homemade pumpkin purée can also loosen the filling. A warm serving should be soft, but the center should not pour like liquid.

Is pumpkin dump cake supposed to be fluffy?

No. The bottom is creamy and custard-like, while the top is buttery and crumbly. It does not have the uniform crumb of a traditional cake.

Can I make it without pecans?

Absolutely. Omit them without changing the remaining ingredients or baking method.

Can I substitute pumpkin pie filling?

Plain pumpkin purée is the better choice for this recipe. Pumpkin pie filling contains added sweeteners and spices, so it requires a separately adjusted recipe.

Can I use a smaller baking dish?

A smaller dish makes the layers deeper and changes the baking time. Use the recommended 9 × 13-inch dish for the most predictable result.

Estimated Nutrition for Easy Pumpkin Dump Cake with Buttery Pecan Topping

Per serving, based on 12 servings, including pecans and excluding optional toppings:

Nutrition is an estimate and varies with the cake mix, ingredient brands, and portion size. This recipe has not been kitchen-tested for this article.

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