This Southern-style sweet potato casserole with pecan crumble is a holiday must-have. Velvety, spiced sweet potato filling is finished with a buttery brown sugar and pecan streusel that bakes to a crisp, golden topping. Perfect for Thanksgiving, Christmas, or weekend family dinners, this casserole pleases a crowd.

For complementary holiday sides, consider our soft, herby pumpkin dinner rolls and a creamy cheesy corn casserole for a full Southern-inspired table.
A Southern Holiday Classic
This casserole is a regular on our Thanksgiving and Christmas tables and always invites seconds. The warm spices folded into silky sweet potatoes paired with a crunchy pecan crumble create a comforting contrast of flavors and textures. It’s easy to assemble ahead—make it the day before and bake it just before dinner so it arrives warm and inviting.
Why You’ll Love This Recipe
- Great for gatherings — easily serves 10
- Balanced sweet and spiced flavors topped with crunchy pecans
- Make-ahead friendly to reduce holiday stress
- Adaptable for dairy-free or nut-free needs
Ingredients and Substitutions
Most ingredients are pantry staples. Swap items easily to suit dietary needs without losing flavor.

- Sweet potatoes: 3–3½ pounds (about 5–6 medium); roasting concentrates sweetness.
- Butter: unsalted, softened for the filling and melted for the topping.
- Brown sugar: light or dark; granulated can be used in a pinch.
- Maple syrup: adds depth; honey or agave are suitable alternatives.
- Milk: buttermilk or whole milk; plant-based milks work for dairy-free versions.
- Vanilla & spices: cinnamon, nutmeg, and a touch of cloves for warmth.
- Eggs: bind and add silkiness; flax eggs are an option for vegan cooks.
- Pecans: chopped for the crumble; swap with walnuts or pumpkin seeds, or omit for nut-free.
- Flour: for the streusel; use gluten-free flour if needed.
How to Make Sweet Potato Casserole

Step 1. Roast whole sweet potatoes until tender and caramelized. Let them cool, then peel.

Step 2. Mash or beat the sweet potatoes with softened butter, brown sugar, maple syrup, milk, vanilla, spices, salt, and eggs until smooth and fluffy.

Step 3. Stir chopped pecans with flour, brown sugar, cinnamon, salt, and melted butter until crumbly.

Step 4. Spread the sweet potato filling in a prepared baking dish, sprinkle the pecan crumble evenly on top, and bake until the filling is bubbly and the topping is golden brown.
Make-Ahead & Storage Tips
- Assemble up to 24 hours ahead and refrigerate covered; add topping just before baking if preferred.
- Store leftovers in the refrigerator, covered, for up to 4 days.
- Reheat gently in a 325°F oven or microwave individual portions.
- Freeze the unbaked filling (without topping) for up to 1 month; thaw overnight and add the crumble before baking.
Perfect Pairings
This sweet, savory casserole pairs especially well with:
- Roast or smoked turkey — the creamy sweetness complements savory poultry.
- Southern cornbread dressing — herbal and savory notes balance the dish.
- Green vegetables like southern-style green beans or roasted Brussels sprouts for brightness.
- Macaroni and cheese for an indulgent Southern spread.
- Cranberry sauce to add a tart, festive contrast.

Pro Tips for the Best Casserole
- Roast rather than boil the sweet potatoes to concentrate their natural sweetness and deepen flavor.
- Use an electric mixer for the filling if you want an extra-light, fluffy texture.
- Taste the filling before baking and adjust sugar or spices to achieve the balance you prefer.
- Toast pecans briefly before adding them to the crumble for extra nutty flavor.
Frequently Asked Questions
Yes. Drain canned sweet potatoes well and reduce added sugar if they’re packed in syrup.
Chopped walnuts, pumpkin seeds, or rolled oats work. Omit nuts entirely for a nut-free topping.
Absolutely. Use plant-based milk and vegan butter; the casserole remains creamy and delicious.
It’s traditionally a side dish, but with its sweet topping it often doubles as a dessert.
Yes. Assemble, cover tightly, and refrigerate up to 24 hours. Bake before serving.
More Irresistible Holiday Recipes You Will Love!
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Maple Vanilla Cranberry Sauce
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Brown Butter Sage Mashed Potatoes
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35+ Southern Thanksgiving Side Dishes
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Catfish Étouffée Pot Pie
For we are God’s handiwork, created in Christ Jesus to do good works, which God prepared in advance for us to do.
Ephesians 2:10
If you make this Southern Sweet Potato Casserole with Pecan Topping, please leave a comment and a five-star rating. Share your photos on Instagram and tag @thepinkowlkitchen.
📖 Recipe

Sweet Potato Casserole with Pecan Crumble
Ashley Boyd
Equipment
- Baking sheet
- Mixing bowls
- Electric handheld mixer
- Measuring cups and spoons
- 9 x 13 baking dish
Ingredients
Sweet Potato Filling
- 3 – 3½ pounds orange-fleshed sweet potatoes (about 5–6 medium)
- 6 tablespoons unsalted butter, softened
- ¾ cup light brown sugar (or dark brown)
- ¼ cup pure maple syrup
- ½ cup buttermilk (or whole milk)
- 1 tablespoon vanilla extract
- 2 teaspoons ground cinnamon
- ½ teaspoon ground nutmeg
- ¼ teaspoon ground cloves
- ¼ teaspoon salt
- 2 large eggs
Pecan Crumble Topping
- 1 cup chopped pecans
- ¾ cup light brown sugar (or dark)
- ½ cup all-purpose flour
- ½ teaspoon ground cinnamon
- ¼ teaspoon salt
- ¼ cup unsalted butter, melted
Instructions
- Scrub the sweet potatoes, pierce them with a fork, and place on a foil-lined baking sheet. Bake at 450°F until tender, about 1 hour. Cool enough to handle.
- Reduce oven temperature to 375°F. Grease a 9×13 baking dish.
- Peel the sweet potatoes and transfer to a large bowl. Break them up with a fork, then add softened butter and beat on medium-high with a handheld mixer for 2–3 minutes until light and fluffy.
- Add brown sugar, maple syrup, vanilla, spices, salt, and eggs. Beat until smooth and well combined. Spread the filling in the prepared dish.
- Combine pecans, brown sugar, flour, cinnamon, and salt in a small bowl. Stir in melted butter until the mixture forms crumbs.
- Scatter the streusel over the sweet potato layer. Bake 40–50 minutes, until bubbly and the topping is golden. Let cool 10 minutes before serving.
Notes
- Roast the sweet potatoes rather than boiling to concentrate their sweetness.
- An electric mixer yields a fluffier, smoother filling.
- Taste the filling before baking and adjust sugar or spices to suit your preference.
- Make ahead: assemble up to 1 day in advance and refrigerate until ready to bake.
- Store leftovers covered in the fridge for up to 4 days. Reheat in a 325°F oven or microwave portions.
- Freeze the unbaked filling (without topping) for up to 1 month; add topping before baking.
Nutrition
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