Sweet Potato Casserole Recipe

Creamy, sweet, and topped with a crunchy pecan streusel, Sweet Potato Casserole is the ultimate holiday side dish with a dessert-like twist. This beloved classic features silky mashed sweet potatoes enriched with butter, warm spices, and a hint of vanilla, all crowned with a golden, buttery pecan and brown sugar topping. It’s the kind of dish that turns any meal into a special occasion and has guests coming back for thirds.

Each spoonful delivers a satisfying combination of textures—velvety smooth potato base, crunchy candied pecans, and a hint of marshmallow sweetness if you choose that route. Whether you’re preparing for Thanksgiving dinner or elevating a Sunday supper, this casserole is as comforting to make as it is to eat. Customize it with your favorite toppings like mini marshmallows, extra cinnamon, coconut flakes, or a drizzle of maple syrup for a personalized side dish that feels like pure comfort.

Why You’ll Love This Sweet Potato Casserole

Holiday essential: A Thanksgiving and Christmas table staple that everyone expects and loves.
Make-ahead friendly: Prepare everything a day in advance and just pop it in the oven before serving.
Perfectly balanced: Not too sweet, not too savory—it walks the line beautifully as a side dish or dessert.
Crowd-pleaser: Appeals to all ages with its naturally sweet flavor and crunchy-creamy contrast.
Simple ingredients: Uses basic pantry staples and fresh sweet potatoes—nothing complicated or hard to find.

Preparation Phase & Tools to Use (Essential Tools and Equipment, Plus Why They Matter)

Before diving into this delicious Sweet Potato Casserole, having the right tools on hand will make everything smoother—from prep to presentation.

Essential Tools & Why You Need Them:

Large Pot for Boiling
This is essential for cooking the sweet potatoes until tender. A pot with a heavy bottom distributes heat evenly and prevents scorching.

9×13-inch Baking Dish
The perfect size for this casserole. It provides even heat distribution and ample surface area for that golden, crunchy topping.

Potato Masher or Hand Mixer
Creates that perfectly smooth, lump-free sweet potato base. A masher gives rustic texture; a mixer creates silky perfection.

Large Mixing Bowls (2-3)
One for the sweet potato mixture, another for preparing the pecan topping, and maybe one more for marshmallows if using.

Measuring Cups & Spoons
Precision is important—especially for the butter, sugar, and spice ratios that create the signature flavor.

Vegetable Peeler & Sharp Knife
For peeling and cubing sweet potatoes efficiently, plus chopping pecans for the topping.

Having these items prepped and within reach makes the cooking process seamless and stress-free.

Preparation Tips

Choose the right sweet potatoes—look for firm, smooth-skinned ones without soft spots or sprouting.
Boil potatoes with skin on if preferred, then peel after cooking. The skins slip right off and you retain more nutrients.
Drain thoroughly after boiling to prevent a watery casserole. Let them steam dry in the colander for a minute.
Mash while hot for the smoothest texture. Add butter immediately so it melts into the potatoes completely.
Toast pecans lightly before adding to the topping for enhanced nutty flavor and extra crunch.
Let it rest: Allow the casserole to sit for 5-10 minutes after baking so the topping sets and the flavors meld together.

These small touches make a big difference in achieving bakery-quality results at home.

Ingredients for This Sweet Potato Casserole

Here’s everything you’ll need to bring this rich, comforting casserole to life. Most of the ingredients are kitchen staples, making it both economical and easy to prepare for holiday gatherings.

For the Sweet Potato Base:

4 lbs sweet potatoes (about 6-7 medium), peeled and cubed
½ cup unsalted butter, melted
½ cup whole milk or heavy cream
⅔ cup granulated sugar
2 large eggs, beaten
1 teaspoon vanilla extract
1 teaspoon ground cinnamon
½ teaspoon ground nutmeg
¼ teaspoon salt

For the Pecan Streusel Topping:

1 cup chopped pecans
½ cup all-purpose flour
½ cup packed brown sugar
⅓ cup unsalted butter, melted
½ teaspoon ground cinnamon
Pinch of salt

Optional Additions:

2 cups mini marshmallows (for topping)
Shredded coconut
Maple syrup drizzle
Orange zest
Crushed graham crackers
Extra cinnamon sugar

Everything in this list balances natural sweetness with warm spices—the creamy potato base contrasts beautifully with the crunchy, buttery topping. The optional additions let you customize to your family’s preferences.

Step 1: Prepare the Sweet Potatoes

Place the peeled and cubed sweet potatoes in a large pot and cover with cold water. Add a pinch of salt and bring to a boil over high heat. Reduce to medium and cook for 15-20 minutes, or until the potatoes are fork-tender and easily pierced.

Drain the potatoes thoroughly in a colander and return them to the pot. Let them sit for 1-2 minutes to allow excess moisture to evaporate.

Step 2: Make the Sweet Potato Mixture

While the potatoes are still hot, add the melted butter and mash until smooth using a potato masher or hand mixer. Add the milk, sugar, beaten eggs, vanilla extract, cinnamon, nutmeg, and salt. Mix until completely combined and creamy. Taste and adjust sweetness or spices as desired.

Pour the sweet potato mixture into a greased 9×13-inch baking dish, spreading it evenly with a spatula.

Step 3: Prepare the Pecan Topping

In a medium mixing bowl, combine the chopped pecans, flour, brown sugar, melted butter, cinnamon, and salt. Mix with a fork until the mixture resembles coarse crumbs and everything is evenly moistened. The texture should be crumbly but hold together slightly when pressed.

Step 4: Assemble and Bake

Preheat your oven to 350°F (175°C). Sprinkle the pecan streusel topping evenly over the sweet potato base, covering the entire surface. If using marshmallows, you can either mix them into the topping or add them during the last 10 minutes of baking.

Bake uncovered for 30-35 minutes, or until the topping is golden brown and the edges are bubbling. If the topping browns too quickly, tent loosely with foil.

Step 5: Finish and Serve

Remove from the oven and let the casserole rest for 10 minutes before serving. This allows the casserole to set properly and makes serving easier. Garnish with additional pecans, a sprinkle of cinnamon, or a drizzle of maple syrup if desired. Serve warm alongside your favorite holiday mains.

Notes

Marshmallow Variation: For a classic marshmallow topping, skip the pecan streusel and cover the sweet potato base with mini marshmallows. Bake until puffed and golden, about 20-25 minutes.

Lighter Option: Reduce sugar to ⅓ cup and use low-fat milk. The natural sweetness of the potatoes still shines through beautifully.

Canned Sweet Potatoes: In a pinch, use 4 cans (29 oz each) of mashed sweet potatoes, drained well. The texture may be slightly different but still delicious.

Watch Out for These Mistakes While Cooking

Overcooking the sweet potatoes: Waterlogged potatoes make a soupy casserole. Cook just until tender, then drain immediately and thoroughly.
Adding eggs to hot potatoes: This can scramble the eggs. Let the potato mixture cool slightly (to about 150°F) before adding beaten eggs.
Not draining well enough: Excess moisture prevents proper setting and creates a runny texture instead of creamy firmness.
Uneven topping distribution: Sparse areas won’t get that delicious crunch. Spread the streusel evenly edge to edge.
Skipping the resting period: Cutting into it too soon causes the casserole to be too loose and difficult to serve neatly.
Using cold ingredients: Room temperature eggs and milk incorporate more smoothly and create a more uniform texture.
Overbaking: A dry, crusty edge means it’s been in too long. Watch for bubbling edges and golden topping as your cue.
Not tasting before baking: Sweet potatoes vary in natural sweetness. Taste the base and adjust sugar accordingly before assembly.

What to Serve With Sweet Potato Casserole?

This sweet and savory casserole is a holiday staple that pairs beautifully with traditional mains. Whether you’re planning a feast or a cozy family dinner, there’s a perfect companion for every plate.

8 Delicious Recommendations:

Roasted Turkey or Ham
The classic pairing for Thanksgiving or Christmas dinner—the sweet casserole balances the savory, juicy meat perfectly.

Honey Glazed Pork Chops
Sweet meets sweet in the best way, with the pork’s caramelized edges complementing the casserole’s richness.

Green Bean Casserole
Another holiday classic that adds savory, creamy contrast and keeps the vegetable game strong.

Cranberry Sauce
Tart, bright cranberries cut through the sweetness and add a festive pop of color to the plate.

Buttermilk Biscuits
Warm, flaky biscuits are perfect for soaking up any extra sweet potato goodness left on the plate.

Roasted Brussels Sprouts with Bacon
The slightly bitter, crispy sprouts provide a savory counterpoint that balances the sweet casserole beautifully.

Southern-Style Collard Greens
Tangy, savory greens offer a traditional Southern pairing that cuts richness and adds nutritional balance.

Pecan Pie or Pumpkin Pie (for dessert)
Complete the sweet potato theme with another fall favorite—these desserts share similar warm spice profiles.

These pairings help create a complete holiday spread and bring traditional comfort food vibes to your table.

Storage Instructions

Sweet Potato Casserole is perfect for make-ahead holiday prep—and it stores beautifully for days.

How to Store:

Refrigerator: Let the casserole cool completely, then cover tightly with aluminum foil or plastic wrap. It will keep in the fridge for up to 5 days.

Freezer: For longer storage, wrap the cooled casserole (before or after baking) tightly in plastic wrap, then foil. Freeze for up to 3 months. If freezing before baking, add 15-20 minutes to baking time.

Reheating:

Oven: Reheat at 350°F (175°C), covered with foil, for 20-25 minutes or until heated through. Remove foil for the last 5 minutes to re-crisp the topping.

Microwave: Heat individual portions on medium power for 2-3 minutes. Note that the topping won’t be as crispy using this method.

Always ensure internal temperature reaches 165°F (74°C) when reheating.

Estimated Nutrition (Per Serving – Based on 8 Servings)

Please note this is an approximate breakdown and may vary based on exact ingredients used.

Nutrient	Amount Per Serving
Calories	420
Protein	6g
Carbohydrates	58g
Dietary Fiber	5g
Sugar	32g
Total Fat	20g
Saturated Fat	8g
Unsaturated Fat	11g
Trans Fat	0g
Cholesterol	75mg
Sodium	180mg

This dish delivers a satisfying balance of complex carbs, healthy fats, and natural sweetness—perfect for a holiday side that feels indulgent yet nourishing.

Frequently Asked Questions

1. Can I make Sweet Potato Casserole ahead of time?
Absolutely. Prepare the entire casserole up to 2 days in advance, cover tightly, and refrigerate unbaked. Let it come to room temperature for 30 minutes before baking as directed.

2. Can I use different types of potatoes?
Sweet potatoes work best for this recipe. Regular potatoes or yams won’t provide the same natural sweetness and creamy texture that defines this dish.

3. Is this dish more of a side or a dessert?
It’s traditionally served as a side dish, though it’s sweet enough to double as dessert. The savory elements and spices keep it balanced for either role.

4. Can I make it without eggs?
Yes! Eggs help bind and add richness, but you can omit them or substitute with ¼ cup of additional milk or a flax egg (1 tablespoon ground flaxseed + 3 tablespoons water per egg).

5. What if I don’t like pecans?
No problem. Use walnuts, almonds, or skip nuts entirely. You can make a simple butter-sugar-flour crumble or go straight marshmallow topping instead.

6. Can I reduce the sugar?
Definitely. Sweet potatoes are naturally sweet, so you can cut the sugar in half and still have a delicious dish. Adjust to your taste preference.

7. Can I use canned sweet potatoes?
Yes. Use about 4 cans (29 oz each) of mashed or whole sweet potatoes, drained well. The texture may be slightly different but still works beautifully.

8. How do I keep the topping from getting soggy?
Make sure the sweet potato base isn’t too wet before adding the topping. Also, add the streusel just before baking rather than letting it sit on the mixture.

Conclusion

Sweet Potato Casserole is the ultimate holiday side dish that bridges comfort and celebration—all baked into one delicious dish. With its creamy, spiced sweet potato base and crunchy pecan crown, it’s everything you love about traditional Southern cooking with a festive flair.

Perfect for Thanksgiving, Christmas, or any special gathering, this casserole is as easy to prepare as it is to love. Plus, with endless topping variations and make-ahead convenience, it remains a stress-free favorite year after year. So grab your baking dish and make your holiday meal something everyone looks forward to.