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Fluffy & Rich Sweet Potato Soufflé with Crunchy Pecan Topping

A scoop removed from a baked sweet potato souffle topped with crunchy pecans in a white oval dish.

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Make this Fluffy & Rich Sweet Potato Soufflé for your next holiday meal. This recipe delivers a light, airy texture and a satisfying pecan topping, making it a favorite side dish for Thanksgiving or Christmas.

Ingredients

Scale
  • 2 cups mashed sweet potatoes (from about 3 medium sweet potatoes or 1 large can, drained)
  • 1/2 cup granulated sugar
  • 1/4 cup packed light brown sugar
  • 1/4 cup unsalted butter, melted
  • 2 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 chopped pecans
  • 2 tablespoons all-purpose flour
  • 2 tablespoons packed light brown sugar
  • 1 tablespoon cold unsalted butter, cut into small pieces

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 1.5-quart casserole dish.
  2. In a large bowl, combine the mashed sweet potatoes, granulated sugar, brown sugar, melted butter, egg yolks, milk, vanilla extract, cinnamon, nutmeg, and salt. Mix until smooth.
  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 until just combined. Do not overmix; this keeps the souffle light.
  4. Pour the mixture into the prepared casserole dish.
  5. Prepare the topping: In a small bowl, combine the chopped pecans, flour, and brown sugar. Cut in the cold butter using your fingers or a pastry blender until the mixture resembles coarse crumbs. Sprinkle this pecan topping evenly over the sweet potato mixture.
  6. Bake for 30 to 35 minutes, or until the top is golden brown and the center is set.
  7. Let the sweet potato soufflé rest for 5 minutes before serving warm.

Notes

  • For an easier preparation, you can use canned sweet potatoes or yams, but make sure to drain them very well before mashing.
  • If you prefer a slightly creamier texture instead of a true souffle, reduce the amount of egg whites folded in by half.
  • This dish is a fantastic alternative to classic sweet potato casserole for your Thanksgiving side dish menu.

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