Sweet Potato Casserole with Pecan Topping (Easy Thanksgiving Side)

Every Thanksgiving table needs a Sweet Potato Casserole, and this one earns its spot. A silky, lightly spiced sweet potato filling sits under a buttery brown sugar pecan crumble that bakes up golden and crunchy. It’s sweet enough to feel special but not so sugary that it tastes like dessert.

It’s also easy to make ahead, which is a lifesaver on a busy holiday. If you’re planning a cozy fall menu, this healthier pumpkin bread and these cozy fall crockpot recipes round it out nicely.

Why You’ll Love This Sweet Potato Casserole

• Roasted, not boiled. Roasting the sweet potatoes concentrates their natural sweetness and keeps the filling from getting watery.
• Crunchy pecan topping. Brown sugar, butter, flour and pecans make a crisp streusel in every bite.
• Make-ahead friendly. Assemble it up to 2 days early and bake when you need it.
• Crowd pleaser. Kids love the sweet topping, and adults love the warm spices.

Ingredients Explained

• Sweet potatoes: Orange-flesh varieties like Garnet or Jewel give the brightest color and creamiest texture.
• Butter: Adds richness to the filling and makes the crumble crisp.
• Eggs: Help the filling set into a soft, spoonable custard.
• Milk: Whole milk or half-and-half for creaminess.
• Brown sugar and maple syrup: A modest amount in the filling; most of the sweetness lives in the topping.
• Vanilla, cinnamon, nutmeg and salt: Warm holiday flavor. The salt keeps it from tasting flat.
• Pecans: Roughly chopped for crunch. Walnuts work too.
• All-purpose flour: Binds the topping into crumbly clusters.

How to Make Sweet Potato Casserole

1. Roast the sweet potatoes. Prick them with a fork and roast at 400°F on a lined sheet for 50–60 minutes, until very soft. Let cool slightly, then scoop out the flesh.
2. Make the filling. Lower the oven to 350°F. Mash the sweet potatoes until smooth, then beat in melted butter, eggs, milk, brown sugar, maple syrup, vanilla, cinnamon, nutmeg and salt.
3. Spread it out. Spoon the filling into a buttered 9×13-inch (or 2½-quart) baking dish and smooth the top.
4. Make the topping. Stir together brown sugar, flour and salt, then mix in melted butter until clumpy. Fold in the pecans.
5. Top and bake. Scatter the topping evenly over the filling. Bake 30–35 minutes, until the edges bubble and the topping is golden.
6. Rest. Let it sit 10 minutes so the filling sets before serving.

Tips for Success

• Use a hand mixer for the smoothest filling with no stringy bits.
• Short on time? Use two 29 oz cans of drained sweet potatoes (packed in syrup); cut the brown sugar in the filling in half.
• Love marshmallows? Do half the dish with pecan topping and half with mini marshmallows, adding the marshmallows in the last 10 minutes so they don’t burn.
• Keep the topping crisp. If making ahead, store the topping separately and add it right before baking.

What to Serve With It

It’s a natural partner for roast turkey, glazed ham or a holiday roast chicken, along with green beans, stuffing and rolls. For a cozy weeknight, serve a smaller portion beside one of these warm comfort bowls.

Make Ahead and Storage

Assemble the filling in the baking dish, cover and refrigerate up to 2 days. Add the topping and bake, adding 5–10 minutes to the time since it starts cold. Leftovers keep in the fridge for 4 days; reheat covered at 350°F for 15–20 minutes. The baked casserole can be frozen for up to 2 months, though the topping softens a bit.

Frequently Asked Questions

Can I make sweet potato casserole without eggs?

Yes. Leave out the eggs and add 2 extra tablespoons of milk. The filling will be softer and more like mashed sweet potatoes, but still delicious.

Should I boil or roast the sweet potatoes?

Roasting gives deeper flavor and a less watery filling. If you boil them, drain very well and let them steam dry for a few minutes.

Can I make it dairy-free?

Use plant-based butter and unsweetened oat or almond milk. The result is nearly identical.

How do I keep the pecans from burning?

If the topping browns too fast, lay a piece of foil loosely over the dish for the last 10 minutes.

More Cozy Fall Recipes You’ll Love

• Healthier Pumpkin Bread
• 4 Cozy Fall Crockpot Recipes
• 4 Easy Crockpot Recipes for Family Meals
• Creamy Potato Soup
• Warm and Wholesome Comfort Bowls

Sweet Potato Casserole Recipe

Prep: 20 min | Cook: 1 hr 30 min (including roasting) | Servings: 10

Ingredients

Filling

• 4 lb sweet potatoes (about 5 medium)
• 4 tbsp butter, melted
• 2 large eggs
• ½ cup whole milk
• ⅓ cup brown sugar
• 2 tbsp maple syrup
• 1 tsp vanilla extract
• 1 tsp ground cinnamon
• ¼ tsp ground nutmeg
• ½ tsp salt

Pecan topping

• ¾ cup packed brown sugar
• ½ cup all-purpose flour
• ¼ tsp salt
• 5 tbsp butter, melted
• 1 cup chopped pecans

Instructions

1. Roast pricked sweet potatoes at 400°F for 50–60 minutes until very soft. Cool slightly and scoop out the flesh.
2. Reduce oven to 350°F. Mash the sweet potatoes and beat in butter, eggs, milk, brown sugar, maple syrup, vanilla, cinnamon, nutmeg and salt until smooth.
3. Spread in a buttered 9×13-inch baking dish.
4. Mix brown sugar, flour and salt; stir in melted butter until clumpy, then fold in pecans.
5. Sprinkle topping over the filling and bake 30–35 minutes until golden. Rest 10 minutes before serving.

Nutrition (estimated, per serving): about 390 calories, 5 g protein, 55 g carbs, 6 g fiber, 18 g fat.

Planning your holiday menu? Save this sweet potato casserole to your Thanksgiving board on Pinterest!