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Sweet Potato Soufflé

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This fluffy, cloud-like Sweet Potato Soufflé is the perfect holiday side dish that will steal the show at your Thanksgiving or Christmas table. With its creamy texture and crunchy cinnamon topping, it’s everything you love about sweet potato casserole but elevated to restaurant quality.

Sweet potato soufflé with pumpkins in the background
Sweet potato soufflé with fork and knife and pumpkins in the background

Why This Sweet Potato Soufflé Recipe Works

This isn’t just another sweet potato casserole – it’s a true soufflé that’s light, airy, and incredibly flavorful. Recent trending recipes show that home cooks are looking for “effortlessly impressive” and “rich and decadent” holiday sides, and this recipe delivers exactly that.

What makes this recipe special:

  • Fluffy texture that’s lighter than traditional sweet potato casserole
  • Make-ahead friendly for stress-free holiday entertaining
  • Crunchy cinnamon topping instead of marshmallows for sophisticated flavor
  • Easy preparation with clear step-by-step instructions

The Ultimate Sweet Potato Soufflé Recipe: Quick Overview

Prep Time: 15 minutes
Bake Time: 45 to 50 minutes
Total Time: 1 hour 5 minutes
Yield: 8 servings
Difficulty: Beginner-friendly

Kitchen Equipment

Sweet Potato Soufflé Ingredients

For the Soufflé Base:

  • 4 large sweet potatoes (about 3 pounds), boiled and peeled
  • 3 large eggs, room temperature
  • 1/2 cup heavy cream
  • 1/4 cup brown sugar, packed
  • 2 tablespoons butter, softened
  • 1 teaspoon vanilla extract
  • Pinch of salt

For the Cinnamon Crumb Topping:

  • 1/4 cup all-purpose flour
  • 2 tablespoons brown sugar, packed
  • 1 tablespoon ground cinnamon
  • 2 tablespoons butter, softened

How to Make Sweet Potato Soufflé (Step-by-Step)

Time needed: 1 hour and 5 minutes

  1. Preheat the Oven

    Preheat the oven to 350°F and grease a 9×9-inch baking dish with butter.

  2. Cook and Peel Sweet Potatoes

    Wash and cook sweet potatoes using your preferred method:

    Stovetop method: Bring large pot of water to boil, add whole sweet potatoes, cook 20-30 minutes until fork-tender

    Instant Pot method: Add sweet potatoes with water to cover, high pressure 10 minutes, quick release

    Oven method: Poke with fork, bake at 400°F for 45-60 minutes until soft

    Cool and peel the sweet potatoes once tender. Let cool slightly before handling.

  3. Mix the Sweet Potatoes

    Mash sweet potatoes in large mixing bowl until completely smooth and silky. No lumps!
    Whipped sweet potatoes in a Kitchen Aid standing mixer

  4. Add the Wet Ingredients

    Add wet ingredients: Whisk in eggs, heavy cream, brown sugar, softened butter, vanilla, and salt.

    Beat until fluffy: Use hand mixer or stand mixer to beat mixture until light and airy, about 3-4 minutes.Sweet potato being whipped in a Kitchen Aid mixer

  5. Prepare the Topping

    Make cinnamon crumb topping: In separate bowl, combine flour, brown sugar, and cinnamon. Cut in softened butter with fork or pastry cutter until mixture forms small crumbs.

  6. Assemble the Soufflé

    Assemble soufflé: Pour sweet potato mixture into prepared baking dish, spreading evenly. Sprinkle crumb topping over entire surface.Sweet potato soufflé in a baking dish

  7. Bake

    Bake the sweet potato soufflé for 45 – 50 minutes.

    The soufflé is ready when the top is golden brown, and a fork inserted into the center comes out clean.

Pro Tips for Perfect Sweet Potato Soufflé

  • Room temperature eggs incorporate better for maximum fluffiness
  • Don’t skip the beating step – this creates the light, airy texture
  • Make ahead tip: Prepare through step 8, cover and refrigerate up to 24 hours. Add 10 minutes to baking time if cold.

Storage and Reheating

  • Refrigerate leftovers up to 3 days
  • Reheat in 350°F oven for 15-20 minutes until warmed through
  • Freezing: Not recommended as texture will change

Why Choose Soufflé Over Casserole?

Traditional sweet potato casserole gets “a pumpkin pie-like treatment, with brown sugar and vanilla for a deep caramel flavor and butter and eggs for richness”, but this soufflé takes it one step further with a lighter, more elegant texture that’s perfect for special occasions.

More Southern Holiday Side Dish Recipes

Looking for more show-stopping holiday sides? Try our:

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Sweet potato soufflé with pumpkins in the background

Sweet Potato Soufflé

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 7 reviews
  • Author: The Southern Spoonful
  • Prep Time: 15 minutes
  • Cook Time: 45 to 50 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 6 – 8 servings
  • Category: Holiday Side Dish
  • Cuisine: Southern, American

Description

Looking for the perfect side dish to bring to your next family gathering or holiday meal? This Sweet Potato Soufflé is for you!


Ingredients

Units Scale

Soufflé

  • 4 Large Sweet Potatoes (about 3 pounds), boiled and peeled
  • 1 teaspoon Vanilla
  • 3 eggs
  • 1/2 cup heavy cream
  • 1/4 cup of brown sugar
  • 2 Tablespoons of softened butter

Topping

  • 1/4 cup flour
  • 2 Tablespoons of brown sugar
  • 1 Tablespoon Cinnamon or Cinnamon chips
  • 2 Tablespoon softened butter

Instructions

Prep Work

  1. Preheat oven to 350°F and grease a 9×9-inch baking dish with butter.

Cook the Sweet Potatoes

  1. Wash and cook sweet potatoes using your preferred method:
    1. Stovetop method: Bring large pot of water to boil, add whole sweet potatoes, cook 20-30 minutes until fork-tender
    2. Instant Pot method: Add sweet potatoes with water to cover, high pressure 10 minutes, quick release
    3. Oven method: Poke with fork, bake at 400°F for 45-60 minutes until soft Cool and peel the sweet potatoes once tender. Let cool slightly before handling.

Make the Soufflé Base

  1. Mash sweet potatoes in large mixing bowl until completely smooth and silky. 
  2. Add wet ingredients: Whisk in eggs, heavy cream, brown sugar, softened butter, vanilla, and salt.
  3. Beat until fluffy: Use hand mixer or stand mixer to beat mixture until light and airy, about 3-4 minutes.

Prepare the Topping

  1. Make cinnamon crumb topping: In separate bowl, combine flour, brown sugar, and cinnamon. Cut in softened butter with fork or pastry cutter until mixture forms small crumbs.

Assemble and Bake 

  1. Assemble soufflé: Pour sweet potato mixture into prepared baking dish, spreading evenly.
  2. Sprinkle crumb topping over entire surface.

Bake:

  1. Bake 45-50 minutes until top is golden brown and center is set (knife or toothpick inserted in center comes out clean). Serve immediately while soufflé is at its fluffiest!

Nutrition

  • Serving Size: 8 servings
  • Calories: 335
  • Sugar: 38g
  • Fat: 14g
  • Carbohydrates: 49g
  • Fiber: 5g
  • Protein: 6g
  • Cholesterol: 85mg

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7 Comments

  1. I love this recipe! I brought it to a friendsgiving and the pan was completely gone. It’s the perfect amount of sweet and very easy to make.

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