Rich Southern Sweet Potato Casserole

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Creamy, buttery, and indulgently sweet, this Rich Southern Sweet Potato Casserole is the ultimate comfort dish that defines the holidays in the South. Each forkful delivers silky mashed sweet potatoes blended with warm spices, brown sugar, and vanilla, crowned with a melty layer of toasted marshmallows and a golden pecan crunch. It’s a heartwarming combination of dessert and side dish that leaves everyone asking for seconds.

Whether you’re making it for Thanksgiving, a family Sunday dinner, or just because your soul needs something sweet and cozy, this casserole brings familiar Southern flavors and an unbeatable homemade touch. The marshmallow-pecan topping delivers that irresistible gooey-crunchy texture that perfectly complements the silky sweet potato base.

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What Kind of Sweet Potatoes Should I Use?

Opt for classic orange-flesh sweet potatoes, like Jewel or Garnet varieties. These are naturally sweet and become wonderfully soft and smooth when baked or boiled. Their deep flavor and moisture level make them perfect for mashing into a luxurious, rich base.

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Ingredients for the Rich Southern Sweet Potato Casserole

Sweet Potatoes: These are the star—roasted or boiled until tender, they create the creamy foundation of the dish.

Brown Sugar: Adds that molasses depth and caramelly warmth to the filling and topping.

Butter: Melted into the mash and topping, it delivers unmatched richness.

Eggs: Help bind the sweet potato base and create a light, fluffy texture.

Vanilla Extract: Enhances the sweetness with aromatic warmth.

Cinnamon & Nutmeg: Classic cozy spices that make the flavor pop.

Salt: Just a pinch to balance the sweetness.

Mini Marshmallows: For the gooey, toasted topping.

Chopped Pecans: Add crunch and a nutty layer to balance the softness of the mash.

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How To Make the Rich Southern Sweet Potato Casserole

Step 1: Cook and Mash the Sweet Potatoes

Peel and chop your sweet potatoes, then boil or roast until fork-tender. Mash them until silky smooth with a hand mixer or potato masher.

Step 2: Mix the Filling

To the mashed sweet potatoes, add brown sugar, melted butter, beaten eggs, vanilla, cinnamon, nutmeg, and a pinch of salt. Stir until everything is fully combined and fluffy.

Step 3: Prepare the Baking Dish

Spread the sweet potato mixture evenly into a buttered baking dish. Smooth out the top with a spatula.

Step 4: Add the Topping

Sprinkle a mix of brown sugar and chopped pecans over the top. Then, generously layer with mini marshmallows.

Step 5: Bake Until Golden

Bake at 350°F for 25-30 minutes, or until the marshmallows are puffed and golden brown.

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How to Serve and Store This Casserole

Serve this casserole hot out of the oven as a sweet and savory side dish. It pairs beautifully with roasted meats or as part of a holiday spread. If you’re prepping ahead, assemble it without the marshmallows and refrigerate up to two days in advance. Add the marshmallows just before baking.

To store leftovers, cover the dish tightly and refrigerate for up to 4 days. Reheat in the oven to revive the topping’s crispiness.

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What to Serve With Rich Southern Sweet Potato Casserole?

Herb-Roasted Turkey

The rich sweetness of the casserole balances beautifully with the savory, juicy meat.

Southern Cornbread

Adds a crumbly, buttery contrast that complements the creamy sweet potatoes.

Green Bean Almondine

The fresh crunch and lightness balance the richness of the dish.

Cranberry Sauce

A tart counterpoint to the sweet and creamy flavors.

Creamy Mac and Cheese

Go full comfort mode with two decadent Southern sides on one plate.

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Want More Holiday Side Dish Ideas?

If this sweet potato casserole stole your heart, here are more cozy favorites you should try:

• Dad’s Creamy Cheesy Au Gratin Potatoes for a savory, cheesy indulgence.
• Roasted Rosemary Sweet Potatoes for a more herbaceous take on your favorite spud.
• Crispy Chicken Fried Chicken to round out the perfect Southern feast.
• Cheeseburger Soup when you want something creamy and hearty for a weeknight.
• Jalapeño Popper Deviled Eggs for a spicy bite to start the meal.

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Save This Pin For Later

Save this comforting Southern classic to your Pinterest board so you can find it quickly for holidays or cozy Sunday dinners.

Did you add a personal twist—maybe some maple syrup or bourbon? Share your tips or ask questions in the comments below.

Need more inspiration? Explore my daily kitchen creations on SavorQueen.com on Pinterest. There’s something new and delicious waiting for you every day!

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