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white baking dish of sweet potato casserole with brown sugar

Sweet Potato Soufflé

Do you need a sweet potato side dish recipe idea?  This Sweet Potato Soufflé is a favorite potato dish at our holiday gatherings.  I asked my husband to describe this recipe and he said, “The butter, eggs and brown sugar enhance the sweet potato experience.”
Course Side Dish
Cuisine American
Keyword Sweet Potato Soufflé
Prep Time 25 minutes
Cook Time 40 minutes
Total Time 1 hour 5 minutes
Servings 10 people
Calories 359kcal
Author Jennifer @ Plowing Through Life


  • Silicone Spatula
  • Measuring Cups
  • Measuring Spoons


Potato Mixture

  • 4 cups mashed sweet potatoes
  • 1 cup sugar
  • 2 eggs
  • 1/2 cup milk
  • 1/2 teaspoon salt
  • 1/3 stick butter melted
  • 1 teaspoon vanilla


  • 1/2 cup brown sugar
  • 1/2 cup flour
  • 1/3 cup butter
  • 1 cup pecans optional


  • Mix all ingredients in potato mixture well.  Pour into a buttered pan.  I used a 2 1/2 quart baking dish.
  • Mix all topping ingredients.  Crumble topping evenly over potato mixture.  Bake at 350 degrees F for 35 - 45 minutes uncovered.


  • Souffle bakes more quickly using warm sweet potatoes.
  • Dish may be prepared up to a day ahead of time and stored in the refrigerator. Allow dish to warm up on the counter for 30 to 60 minutes before baking to avoid cracking the dish while baking.
  • Small, evenly shaped sweet potatoes can be boiled whole and the skins quickly peeled off.  Large potatoes are easier to peel, cut into chunks and then boil and mash.


Calories: 359kcal | Carbohydrates: 48g | Protein: 4g | Fat: 18g | Saturated Fat: 7g | Cholesterol: 58mg | Sodium: 248mg | Potassium: 269mg | Fiber: 3g | Sugar: 34g | Vitamin A: 7904IU | Vitamin C: 1mg | Calcium: 53mg | Iron: 1mg