Indulge in the ultimate comfort dessert with this incredibly easy **Sweet Potato Dump Cake with Canned Yams**. This delightful recipe combines the richness of sweet potatoes (or readily available canned yams) with a simple cake mix topping and crunchy pecans, creating a dessert that’s both effortless to prepare and absolutely delicious. Serve it warm, perhaps with a generous scoop of vanilla ice cream or a luscious caramel drizzle, for a treat that melts in your mouth and warms the soul. It’s an ideal choice for a stress-free holiday gathering or a simple weeknight craving.

Easy Sweet Potato Dump Cake with Canned Yams
This recipe for sweet potato dump cake is a game-changer, especially when you need a quick yet impressive dessert. While it’s fantastic with leftover Instant Pot Sweet Mashed Potatoes around Thanksgiving, using canned yams makes it an accessible delight any time of the year. The chopped pecan topping adds a wonderful crunch and nutty flavor, perfectly complementing the moist, tender base. The best part? It’s incredibly forgiving and consistently turns out delicious, making it a staple in any home cook’s repertoire.
If you find yourself with an extra can of yams after preparing a Sweet Potato Casserole Recipe with Canned Yams for the holidays, this dump cake is the perfect solution. It transforms that humble can into a spectacular dessert with minimal effort. We love easy recipes that provide fantastic results, especially when unexpected guests arrive or when we want to bring something unique and comforting to a potluck. During the cooler months, the warm, spiced flavors of this dump cake truly shine, making it a beloved treat for many.
The Magic of Dump Cakes: Effortless Desserts
Easy Dump Cake Recipes are a true marvel in the world of baking. Their appeal lies in their simplicity: you essentially “dump” ingredients into a baking dish, layer them, and let the oven do the rest. Common variations often involve pie filling or frozen fruit, but using canned vegetables like yams opens up a whole new realm of delicious possibilities. You might typically associate sweet potatoes and yams with savory dishes or marshmallow-topped casseroles, but their inherent sweetness makes them an exceptional foundation for a dessert. This recipe proves just how versatile these root vegetables can be, offering a delightful alternative to traditional sweet potato preparations.


Crafting Your Canned Yams Dump Cake
While fresh sweet potatoes are always an option, the beauty of this recipe lies in its accessibility with canned yams. If you have leftover mashed sweet potatoes, feel free to use those, but for year-round convenience, a can of yams is all you need. You might wonder about the difference between yams and sweet potatoes; while botanically distinct, when mashed and baked with other ingredients in a dessert like this, the flavor and texture differences are barely noticeable. Both offer that delightful sweetness and creamy texture essential for this dump cake.
The essence of a dump cake is its straightforward method: layering a few simple ingredients into a baking dish. Typically, a dump cake features a wet filling, a dry cake mix, and melted butter. For this sweet potato version, we take it a step further by creating a delicious pecan crumble-like topping, reminiscent of our popular cake mix cobbler recipes. Nuts are, of course, optional; if allergies are a concern, you can omit them or substitute with raisins for a different texture. For a classic touch, consider adding mini marshmallows during the last 5 minutes of baking to achieve a perfectly toasted, golden-brown finish.
Essential Ingredients for a Perfect Dump Cake
To make this sweet potato dump cake truly exceptional and incredibly easy, here’s a breakdown of the key ingredients:
- Canned Yams (29 oz., mashed): The star of our show. Using canned yams simplifies the process significantly. Ensure they are well-drained and mashed until smooth. If you have leftover mashed sweet potatoes, they work beautifully as a substitute.
- Evaporated Milk (12 oz.): This shelf-stable milk adds a rich creaminess and sweetness to the base, contributing to a wonderfully moist cake. Do not confuse it with condensed milk, as evaporated milk is unsweetened.
- Brown Sugar (1 cup): Provides a deep, molasses-like flavor that enhances the natural sweetness of the yams and complements the spice cake mix beautifully.
- Large Eggs (4): Act as a binder and add richness and structure to the yam base. Ensure they are at room temperature for the best blend and texture.
- Pumpkin Pie Spice (2 tsp): Infuses the cake with classic warm, inviting fall flavors. You can adjust the amount to your preference or add a pinch of cinnamon and nutmeg if you don’t have pumpkin pie spice.
- Dry Cake Mix (1 box, spice flavor recommended): This is the “dump” component that creates the cakey, crumbly topping. Spice cake mix is ideal as it harmonizes perfectly with the sweet potato and pumpkin spice. Yellow or vanilla cake mix can also work; just consider adding a bit more spice.
- Melted Butter (1 cup): Drizzled over the cake mix, the melted butter creates the irresistible, golden-brown crust. High-quality butter like Kerrygold elevates the flavor.
- Candied Pecans (1 cup, chopped): These provide a delightful crunch and a caramelized sweetness to the topping. Homemade candied pecans are fantastic, but store-bought work just as well.
- Vanilla Extract (splash, optional): A touch of vanilla can enhance the overall flavor profile, adding another layer of aromatic sweetness.
- Optional Toppings: Vanilla ice cream, whipped cream, or Dulce de Leche are excellent additions when serving, adding extra decadence and moisture.
Buying several cans of yams before the holidays is a smart move due to their versatility. From cakes to casseroles and delightful Sweet Potato Dumplings enjoyed for breakfast, yams bring that cherished holiday flavor to a variety of dishes.

Expert Tips for Sweet Potato Dump Cake Success
Achieving the perfect sweet potato dump cake is easy with a few simple tips:
- Prep Your Yams: Just as you would for our Sweet Potato Muffin Recipe, ensure your canned yams are thoroughly drained and mashed until completely smooth. No one wants lumpy cake! If using leftover sweet potato casserole, it’s likely already perfectly mashed and seasoned.
- Choose the Right Pan: A 9×13 inch rectangular baking dish works best for an even bake and ideal thickness. If you opt for a square pan, the cake will be thicker and may require a longer baking time to cook through properly. Always spray your pan with non-stick spray to prevent sticking.
- Layering is Key: The “dump” method is precise in its layering. Do not mix the dry cake mix into the wet yam mixture. The melted butter will seep through the dry mix, creating that wonderful, crumbly top.
- Check for Doneness: The cake is ready when the center no longer jiggles, and a toothpick inserted into the cake comes out mostly clean, with just a few moist crumbs attached. Some yam residue on the toothpick is normal and expected.
- Serving Suggestion: This dump cake is meant to be scooped rather than neatly sliced like a Sweet Potato Cake. Its moist, tender texture is best enjoyed with a large serving spoon. A scoop of vanilla ice cream, allowed to melt and ooze into the warm cake, adds an extra layer of moisture and decadence to every bite.
Sweet Potato Dump Cake Recipe
Justine
15
45
12
Equipment
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1 9×13 inch baking pan
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1 Large Mixing Bowl
Ingredients
- 1 can yams, 29 oz., mashed (or mashed sweet potatoes)
- 1 can evaporated milk, 12 oz.
- 1 cup brown sugar
- 4 large eggs
- 2 tsp pumpkin pie spice
- 1 box dry cake mix, spice flavor is best
- 1 cup butter, melted
- 1 cup candied pecans, chopped
Instructions
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Preheat the oven to 350 degrees Fahrenheit (175°C). Lightly spray a 9×13 inch baking dish with baking spray and set aside.
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Drain the canned yams thoroughly from their juice (or use an equivalent amount of mashed sweet potatoes). Pour the drained yams into a large mixing bowl. Use a potato masher to mash the yams until completely smooth, ensuring no chunks remain.
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To the mashed yams, add the evaporated milk, brown sugar, pumpkin pie spice, and eggs. Whisk these ingredients together vigorously, or use a hand mixer, until the mixture is well combined and smooth.
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Pour the yam mixture evenly into the prepared baking dish. Next, take the box of dry spice cake mix and sprinkle it evenly over the wet yam mixture. **Do not mix** the dry cake mix into the wet layer.
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Evenly pour the melted butter over the top of the dry cake mix layer. Finally, sprinkle the chopped candied pecans over the top of the butter and cake mix.
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Bake in the preheated oven for 45-50 minutes, or until a toothpick inserted into the center comes out mostly clean with moist crumbs attached. The center of the cake should no longer jiggle. Remove from the oven and let it cool for about 10 minutes before serving. Enjoy your delicious sweet potato dump cake warm!
Nutrition
Serving: 2oz, Calories: 476kcal, Carbohydrates: 61g, Protein: 6g, Fat: 24g, Saturated Fat: 13g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 8g, Trans Fat: 1g, Cholesterol: 104mg, Sodium: 529mg, Potassium: 162mg, Fiber: 1g, Sugar: 43g, Vitamin A: 623IU, Vitamin C: 1mg, Calcium: 205mg, Iron: 2mg
Nutrition information is automatically calculated, so should only be used as an approximation.
Additional Info
Dessert
American
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Beyond the Dump Cake: What to Make with Leftover Sweet Potatoes
This sweet potato dump cake isn’t just easy; it’s also a fantastic way to use up leftover sweet potatoes, preventing food waste. We’ve applied a similar philosophy with our pumpkin dump cake, ensuring no good ingredients go to waste. If you happen to have a large batch of mashed sweet potatoes, this recipe is a perfect candidate. After baking, always allow the dump cake to cool to room temperature before storing. For optimal freshness, transfer any leftovers to a smaller, airtight container and store it in the refrigerator. Reheat gently in the microwave or oven and enjoy within 3 days for the best taste and texture.
Should you only have yellow cake mix available, don’t fret! You can easily adapt the recipe by adding an extra teaspoon of nutmeg and a half-teaspoon of allspice to the dry mix. This will impart that warm, spiced flavor that makes this dessert so comforting. Get started on this delightful recipe this year, and it just might become a new family favorite that everyone looks forward to after a hearty meal. Its simplicity and comforting flavors are sure to win over even the pickiest eaters.
