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Fluffy & Rich Southern Sweet Potato Souffle with Pecan Topping

A close-up of a moist slice of sweet potato souffle topped with a rich, sugary crumble topping.
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Make this light, airy, and rich sweet potato souffle, a classic holiday side dish perfect for Thanksgiving or Christmas. This recipe delivers a creamy texture topped with a crunchy pecan streusel.

Ingredients

Scale
  • 2 cups mashed sweet potatoes (about 3 medium sweet potatoes, cooked and mashed)
  • 1 cup granulated sugar
  • 1/2 cup (1 stick) unsalted butter, melted
  • 3 large eggs, separated
  • 1/2 cup whole milk
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • For the Pecan Topping:
  • 1/2 cup all-purpose flour
  • 1/2 cup packed light brown sugar
  • 1/3 cup cold unsalted butter, cut into small pieces
  • 1/2 cup chopped pecans

Instructions

  1. Preheat your oven to 375 degrees F. Lightly grease a 2-quart casserole dish.
  2. In a large bowl, combine the mashed sweet potatoes, granulated sugar, melted butter, egg yolks, milk, vanilla extract, cinnamon, nutmeg, and salt. Mix until smooth and well combined.
  3. In a separate, clean bowl, beat the egg whites until stiff peaks form. Gently fold the beaten egg whites into the sweet potato mixture in two additions. Do not overmix; you want to keep the mixture airy.
  4. Pour the souffle mixture into the prepared casserole dish.
  5. Prepare the topping: In a small bowl, combine the flour and brown sugar for the topping. Cut in the cold butter using a pastry blender or your fingers until the mixture resembles coarse crumbs. Stir in the chopped pecans.
  6. Sprinkle the pecan topping evenly over the sweet potato mixture.
  7. Bake for 30 to 35 minutes, or until the souffle is puffed and the topping is golden brown.
  8. Serve immediately while warm for the best fluffy texture.

Notes

  • For the creamiest base, use canned sweet potato puree instead of fresh if you are short on time.
  • If you prefer a marshmallow topping, skip the pecan streusel and top the souffle with 1 bag of mini marshmallows during the last 5 minutes of baking.
  • This dish works well as an old-fashioned sweet potato casserole alternative for your holiday meal.

Nutrition

Find it online: https://cookingbyjade.com/sweet-potato-souffle/