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Delicious Southern sweet potato casserole topped with marshmallows and pecans.

Southern Sweet Potato Casserole

A Southern classic that’s creamy, buttery, and topped with a golden pecan streusel crunch. This comforting Sweet Potato Casserole is the perfect side dish for holidays, potlucks, or cozy family dinners — sweet, nutty, and irresistibly rich.
Prep Time 15 minutes
Cook Time 55 minutes
Total Time 1 hour 10 minutes
Course Side Dish
Cuisine American, Southern
Servings 8 servings
Calories 310 kcal

Equipment

  • 9x13-inch Baking Dish
  • Large Pot
  • Mixing Bowls
  • Spatula
  • Oven
  • masher

Ingredients
  

Sweet Potato Base

  • 4 cups mashed sweet potatoes about 4–5 medium sweet potatoes
  • 1/2 cup granulated sugar
  • 2 large eggs beaten
  • 1/2 cup milk
  • 1/4 cup unsalted butter melted
  • 1 tsp vanilla extract
  • 1/2 tsp salt

Pecan Topping

  • 1/2 cup packed brown sugar
  • 1/3 cup all-purpose flour
  • 1/3 cup unsalted butter melted
  • 1 cup chopped pecans

Instructions
 

  • Peel and chop sweet potatoes, then boil in a large pot of water until fork-tender, about 20 minutes. Drain and mash until smooth.
  • In a large bowl, combine mashed sweet potatoes, sugar, eggs, milk, melted butter, vanilla, and salt. Mix until creamy and well blended.
  • Spread the sweet potato mixture evenly into a greased 9×13-inch baking dish.
  • In a small bowl, mix brown sugar, flour, melted butter, and chopped pecans until crumbly.
  • Sprinkle the pecan topping evenly over the sweet potato layer.
  • Preheat oven to 350°F (175°C). Bake uncovered for 30–35 minutes, or until the topping is golden brown and crisp.
  • Let cool slightly before serving warm. Perfect alongside ham, turkey, or as a standalone treat!

Notes

For extra texture, lightly toast the pecans before mixing them into the topping. You can make the casserole a day ahead — assemble it, refrigerate, and bake before serving. Pairs beautifully with roasted meats or as part of a Thanksgiving feast.
Keyword Comfort Food, Holiday Side, Pecan Streusel, Sweet Potato Casserole