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Classic Southern Sweet Potato Casserole with Crunchy Pecan Streusel Topping

Close-up of a scoop taken out of a rich orange southern sweet potato casserole topped with a crunchy pecan streusel.

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Make this comforting Southern Sweet Potato Casserole for your next gathering. It features a creamy, velvety sweet potato filling topped with a buttery, crunchy pecan streusel.

Ingredients

Scale
  • 3 cups cooked and mashed sweet potatoes (about 3 pounds raw)
  • 1 cup granulated sugar
  • 1/2 cup (1 stick) unsalted butter, melted
  • 2 large eggs, lightly beaten
  • 1/2 cup milk
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • For the Topping:
  • 1 cup packed light brown sugar
  • 1/3 cup all-purpose flour
  • 1/3 cup (about 5 1/3 tablespoons) unsalted butter, melted
  • 1 cup chopped pecans

Instructions

  1. Preheat your oven to 350 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. In a large bowl, combine the mashed sweet potatoes, granulated sugar, 1/2 cup melted butter, eggs, milk, vanilla extract, cinnamon, nutmeg, and salt. Mix until the filling is smooth and well combined.
  3. Pour the sweet potato mixture evenly into the prepared baking dish.
  4. Prepare the topping: In a separate medium bowl, whisk together the brown sugar and flour. Pour in the 1/3 cup melted butter and mix with a fork until the mixture is crumbly. Stir in the chopped pecans.
  5. Sprinkle the pecan streusel topping evenly over the sweet potato filling.
  6. Bake for 30 to 35 minutes, or until the topping is golden brown and the filling is heated through.
  7. Let the casserole cool for 10 minutes before serving. This dish is excellent as a holiday side dish.

Notes

  • You can prepare the sweet potato filling up to 2 days ahead. Store it covered in the refrigerator. Add the topping just before baking.
  • To cook the sweet potatoes, you can bake them whole at 400 degrees Fahrenheit for 45-60 minutes until soft, or boil them until tender.
  • If you want a richer flavor, substitute 1/4 cup of the granulated sugar in the filling with maple syrup.

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