Brown Sugar Sweet Potato Casserole (Creamy, Crunchy Pecan Topping)

A classic Brown Sugar Sweet Potato Casserole is a staple on holiday menus across the South and beyond. Creamy, lightly spiced sweet potatoes form the base, while a buttery brown sugar pecan topping creates a crisp, caramelized finish. This dish strikes the perfect balance between savory comfort and dessert-like richness making it a favorite for Thanksgiving, Christmas, and autumn gatherings.

This recipe blends tradition with convenience. It includes the smooth texture of a creamy sweet potato casserole, the nostalgic flavor of a southern sweet potato casserole with brown sugar, and the irresistible crunch found in the best sweet potato casserole topping. Whether you serve it as a holiday side dish, a comfort food casserole, or a crowd-pleasing potluck item, this dish always receives rave reviews.

If you enjoy dishes like sweet potato bake, baked sweet potato casserole, or classic brown sugar sweet potatoes, this recipe will become a regular on your seasonal menus.

Close-up slice of sweet potato casserole topped with toasted marshmallows and a crunchy brown sugar pecan layer on a plate.
A rich slice of sweet potato casserole with a toasted marshmallow and pecan topping.

Why Brown Sugar Sweet Potato Casserole Is the Ultimate Holiday Side Dish

Sweet potato casseroles are beloved for a reason, but this brown sugar version stands above the rest. Here’s why:

A Perfect Blend of Creamy and Crunchy

The silky sweet potato base contrasts beautifully with the crunchy pecan topping casserole layer. The brown sugar caramelizes during baking, creating a crisp surface that breaks into buttery pieces with each bite.

Versatile Enough for Any Occasion

While it shines during Thanksgiving, this casserole is equally suited for:

  • Sunday dinners
  • Potlucks
  • Autumn gatherings
  • Christmas meals
  • Friendsgiving events

Comfort Food at Its Finest

Baked sweet potato casserole in a white dish layered with brown sugar pecan crumble and dollops of melted marshmallows.
Sweet potato casserole topped with pecans and soft melted marshmallows.

The warm spices, rich sweetness, and hearty texture make this a true comfort food holiday side. It evokes the nostalgic flavors of Southern holiday cooking.

Make-Ahead Friendly

This is an excellent make ahead sweet potato casserole. Prepare the base one day in advance, refrigerate, and add the topping just before baking.

Naturally Gluten-Free

Sweet potatoes, brown sugar, butter, and pecans form a naturally rich base that is also a great gluten-free sweet potato casserole option when made without wheat flour in the topping.

Customizable for Every Family

Some families prefer marshmallows, others prefer pecans, and some enjoy both. This recipe allows easy variations without losing the essential brown sugar flavor.

Essential Ingredients for Brown Sugar Sweet Potato Casserole

Overhead image showing whole sweet potatoes, cubed sweet potatoes, brown sugar, pecans, butter, flour, milk, eggs, and spices arranged neatly on a kitchen surface.
Ingredients ready for a classic Brown Sugar Sweet Potato Casserole.

Each ingredient plays an important role in creating a creamy, decadent, and flavorful casserole.

Sweet Potato Base

  • Sweet potatoes: Fresh, orange-flesh sweet potatoes provide natural sweetness and moisture.
  • Butter: Adds richness and helps the texture remain creamy.
  • Brown sugar: Enhances sweetness and deepens the caramel notes.
  • Milk or cream: Creates a smooth, luscious base.
  • Eggs: Help the casserole set without becoming heavy.
  • Vanilla extract: Rounds out the flavor.
  • Cinnamon or nutmeg (optional): A touch of spice complements the brown sugar.

Brown Sugar Pecan Topping

This topping is what sets this recipe apart from other baked sweet potato casseroles.

You’ll need:

  • Chopped pecans: Provide crunch and a toasty flavor.
  • Brown sugar: Creates a caramel crust when baked.
  • Butter: Helps the topping crisp and brown.
  • Flour (or almond flour for gluten-free): Binds the topping.
  • Salt: Balances sweetness.

Optional Add-Ins

  • Marshmallows for a hybrid marshmallow-pecan topping
  • Maple syrup for extra fall flavor
  • A pinch of allspice or ginger for warmth

Step-by-Step Baking Guide

Person whisking sweet potatoes with brown sugar and spices in a large glass bowl surrounded by jars of baking ingredients.
Blending sweet potatoes with brown sugar and cinnamon for a cozy casserole.

Step 1: Prepare the Sweet Potatoes

Peel and chop sweet potatoes into large chunks.
Boil until fork-tender, then drain thoroughly.

Alternatively, you can roast them for a deeper, caramelized flavor.

Step 2: Mash the Potatoes

Mash with a potato masher or mixer until smooth.
Add butter, brown sugar, and milk, stirring until fully incorporated.

Step 3: Add the Remaining Base Ingredients

Mix in eggs, vanilla, and optional spices.
The mixture should look smooth, creamy, and slightly thick.

Step 4: Spread the Base into a Baking Dish

Pour the sweet potato mixture into a greased casserole dish.
Smooth the top with a spatula.

Hands mixing mashed sweet potatoes in a glass bowl surrounded by flour, brown sugar, and spices on a wooden table.
Preparing the creamy sweet potato base for a holiday casserole.

Step 5: Prepare the Brown Sugar Pecan Topping

In a bowl, combine chopped pecans, brown sugar, flour, melted butter, and salt.
Mix until crumbly.

Step 6: Sprinkle Over the Sweet Potato Base

Cover the sweet potatoes evenly with the topping.
This ensures a crisp, caramelized crust across the entire surface.

Step 7: Bake

Bake at 350°F (175°C) for 30–40 minutes, or until the topping is golden brown and crisp.

Step 8: Cool Briefly and Serve

Let rest for 10 minutes before serving to allow the topping to set.
This also makes the casserole easier to scoop.

Even a rustic holiday casserole can be visually appealing with a few simple touches.

Highlight the Pecan Topping

The topping should be evenly browned with visible clusters of pecans.
A drizzle of warm maple syrup can add shine.

Add Extra Pecans

Sprinkle lightly toasted pecans on top before serving for added texture and visual appeal.

Garnish with Herbs

Fresh rosemary or thyme provides contrast and a holiday look though not traditional, it photographs beautifully.

Serve in a Cast-Iron or Ceramic Dish

Both offer a rustic, warm presentation perfect for holiday tables.

FAQ: Brown Sugar Sweet Potato Casserole

1. Can I make this without nuts?

Yes. Replace the pecans with oats for a crisp oat topping.

2. Is this casserole gluten-free?

Yes, if you substitute almond flour or gluten-free flour in the topping.

3. Can I use canned sweet potatoes?

Yes, though fresh sweet potatoes provide better texture and flavor.

4. Can I make it ahead of time?

Absolutely. Prepare the base one day ahead and add topping before baking.

5. Should the eggs be added while the potatoes are hot?

Let them cool slightly to avoid scrambling.

6. Can I add marshmallows?

Yes. Replace the pecan topping or add marshmallows during the last 10 minutes of baking.

Conclusion

This Brown Sugar Sweet Potato Casserole embodies everything a holiday dish should be: creamy, comforting, and topped with a caramelized brown sugar pecan crust that melts into the sweet potatoes beneath. Whether you’re preparing a large Thanksgiving meal, a cozy fall dinner, or a festive potluck, this dish consistently stands out as a crowd-pleasing sweet potato casserole that feels both classic and elevated.

If you enjoyed this recipe, try:
[Sweet Potato Casserole]

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