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Sweet Potato Soufflé with Pecan Streusel & Marshmallow Meringue

A southern classic with smooth, creamy sweet potatoes, a crunchy topping and sweet swirls of marshmallow meringue.
Prep Time10 minutes
Cook Time1 hour
Resting Time20 minutes
Total Time1 hour 30 minutes
Course: Holiday, Side Dish
Cuisine: American

Ingredients

Sweet Potato Soufflé

  • 6 medium sweet potatoes, peeled, cubed, boiled
  • 1/2 cup of butter, softened
  • 2 large eggs
  • 1/3 cup of heavy cream
  • 1/4 cup of maple syrup
  • 1/3 cup of brown sugar
  • 2 teaspoons of vanilla extract
  • 1 teaspoon of ground cinnamon
  • 1/2 teaspoon of salt

Pecan Streusel

  • 1 1/4 cups of brown sugar, packed
  • 3/4 cup of pecans, finely chopped
  • 1/3 cup of all purpose flour
  • 1 teaspoon of ground cinnamon
  • 1/2 teaspoon of all spice
  • 5 tablespoons of butter, melted

Marshmallow Meringue

  • 3 large egg whites
  • 3/4 cup of granulated sugar
  • 1/2 teaspoon of cream or tartar
  • 1 teaspoon of vanilla extract

Instructions

Make the sweet potato soufflé...

  • Peel 6 medium sweet potatoes and cut them into cubes
  • Place the cubes into a large pot and cover the potatoes with cold water
  • Place the pot over medium high heat, bring the water to a rolling boil and boil until the potatoes are fork tender
  • Preheat the oven to 350 degrees 
  • Once the potatoes are fork tender, drain them and add them into a large bowl or the bowl of a high speed blender
  • Add 1/2 cup of softened butter, 2 large eggs, 1/3 cup heavy cream, 1/4 cup of maple syrup, 1/3 cup of brown sugar, 2 teaspoons of vanilla extract, 1 teaspoon of ground cinnamon and 1/2 teaspoon of salt in with the potatoes
  • Use an electric hand mixer or blender to whip the ingredients until smooth and very creamy
  • Grease the interior of a 2 1/2 quart baking dish
  • Transfer the sweet potato mixture into the prepared baking dish and smooth out evenly

Make the pecan streusel...

  • In a small bowl combine 5 tablespoons of melted butter with 1 1/4 cup of brown sugar, 3/4 cup of finely chopped pecans, 1/3 cup of all purpose flour, 1 teaspoon of ground cinnamon and 1/2 teaspoon of all spice until crumbly
  • Sprinkle the pecan topping over the surface of the sweet potatoes
  • Bake in a 350 degree oven for about 40 minutes and then transfer the soufflé onto a cutting board to cool a bit before adding the marshmallow meringue

Make the marshmallow meringue...

  • Start by combining 3 large egg whites, 3/4 cup of granulated sugar and 1/2 teaspoon of cream of tartar in a medium glass heat proof bowl
  • Add 1 inch of water into a medium sauce pan and place over medium high heat
  • Place the heat proof bowl over the saucepan 
  • Cook the egg white mixture over the simmer water in the saucepan beneath until the granulated sugar has fully dissolved into the egg whites 
  • Transfer the bowl onto a cutting board and add 1 teaspoon of vanilla extract
  • Use an electric hand mixture to whip the mixture until stiff, glossy peaks have formed
  • Spoon dollops of the marshmallow meringue onto the slightly cooled soufflé
  • Brûlée the meringue (optional) and serve immediately