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French Style Sweet Potato Soufflé by Foodtastic Mom

French Style Sweet Potato Soufflé

French style sweet potato soufflé is a fancified way of enjoying your sweet potatoes at the holidays.
Prep Time 30 minutes
Cook Time 50 minutes
Total Time 1 hour 20 minutes
Servings 8
Calories 324kcal
Author Foodtastic Mom


  • 2.5 pounds sweet potatoes
  • 1/2 cup heavy cream
  • 4 tbsp unsalted butter melted
  • 4 large egg yolks
  • 1 tsp salt
  • 1/4 tsp black pepper
  • 1/4 tsp fresh ground nutmeg
  • 2 large egg whites
  • 3/4 cup pure maple syrup
  • 1/2 lemon


  • Peel potatoes and cut into cubes. Place in a large stock pot and cover with cold water. Bring to boil and then simmer until fork tender. Drain. Potatoes can be made a day or two ahead and stored covered in the refrigerator.
  • Preheat oven to 375 degrees F.
  • Butter a 1 1/2 qt. round baking dish.
  • With a hand or stand mixer, puree the cooked sweet potatoes together with the cream, butter, egg yolks, salt, pepper and nutmeg. 
  • With a hand or stand mixer (in a clean bowl) beat the egg whites on high until stiff peaks form.
  • Using a spatula, fold in half the egg whites to the sweet potato mixture. Then fold in the other half until well mixed.
  • Transfer to the buttered baking dish and smooth the top.
  • Bake for 50 - 60 minutes until top is browned and the soufflé is firm to the touch.
  • Squeeze the juice from the lemon half and discard the seeds. Whisk together the fresh lemon juice with the maple syrup. Serve with the soufflé.


Calories: 324kcal