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Close-up shot of a fluffy Sweet Potato Soufflé topped with mini marshmallows.

Easy Sweet Potato Soufflé

A delightful and festive sweet potato soufflé that's perfect for holiday gatherings or cozy dinners. Rich, sweet, and topped with crunchy pecans and optional marshmallows.
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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Servings: 8 servings
Course: Dessert
Cuisine: American
Calories: 420
Ingredients Method Notes

Ingredients
  

Sweet Potatoes
  • 12 medium sweet potatoes peeled, boiled, and mashed
  • 2 cups white sugar
  • 1 cup milk
  • 1 cup butter, melted
  • 2 tsp vanilla extract
  • 4 large eggs, beaten
  • 1 tsp salt
  • 2 cups dark brown sugar
  • ⅔ cup all-purpose flour
  • ⅔ cup butter, melted
  • 2 cups chopped pecans
  • 1 tsp cinnamon plus ½ tsp nutmeg in the sweet potato base
  • ½ tsp nutmeg in the sweet potato base
  • 1 tsp orange zest brightens flavor
  • ½ cup mini marshmallows sprinkled on top during last 10 mins (optional)

Method
 

  1. Preheat oven to 350°F (175°C). Grease a 4-qt casserole dish.
  2. Peel, boil, and mash sweet potatoes until smooth. Mix in sugar, milk, butter, vanilla, eggs, salt, cinnamon, nutmeg, and orange zest. Spread into dish.
  3. Combine brown sugar, flour, melted butter, and pecans. Sprinkle evenly on top.
  4. Bake uncovered for 55–60 minutes until bubbly and golden. Optional: Add mini marshmallows in the last 10 mins.

Notes

This dish is perfect for holiday celebrations and can be made ahead for convenience.