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Brown Butter Sweet Potato Casserole

1 Star2 Stars3 Stars4 Stars5 Stars (6 votes, average: 4.67 out of 5)


  • Author: KJ & Company - Kate Poskochil
  • Total Time: 1 hour, 35 minutes
  • Yield: 8 servings 1x


Brown Butter Sweet Potato Casserole is a fun version of a classic holiday side dish. Sweet potatoes are whipped together with nutty, brown butter and spices and topped with fluffy marshmallows. Baked until golden brown and bubbly this casserole is a crowd pleaser!


  • 4 pounds sweet potatoes, peeled and cubed
  • 4 tablespoons butter
  • 1/4 cup heavy cream
  • 1/4 cup brown sugar
  • 1/2 teaspoon salt
  • 2 large eggs
  • 1 cup marshmallows
  • 2 cups mini marshmallows


  1. Add the sweet potatoes to a large pot, cover with water and bring to a boil. Boil until fork tender, about 12-15 minutes. Drain.
  2. Preheat your oven to 350 degrees. In a small saucepan, melt the butter over low heat. Allow to bubble until golden brown and the aroma smells nutty and toffee-like. Keep a close eye on it as it can burn easily.
  3. Add the sweet potatoes to a large bowl and pour in the browned butter, heavy cream, brown sugar and salt. Use a hand mixer to cream until smooth. Add in the eggs and combine completely.
  4. Pour the sweet potato filling into a 9×13 pan or a deep, round baking dish. Bake for about 40 minutes, or until the top starts to turn a bit golden.
  5. Arrange the different-sized marshmallows on top and bake for another 10-15 minutes, or until the marshmallows are golden brown and toasted. Enjoy!


  • Keep a close eye on the brown butter when making it as it can easily burn.
  • This dish can be made ahead of time – simply wait to add the marshmallows on top until you are ready to toast and serve. The filling will need some time to re-heat as well.
  • Nutritional information for this recipe is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.
  • Prep Time: 15 minutes
  • Cook Time: 1 hour, 20 minutes
  • Category: Side Dish
  • Method: Baking


  • Serving Size: 1
  • Calories: 402
  • Sugar: 11.6g
  • Sodium: 238mg
  • Fat: 8.6g
  • Carbohydrates: 77.2g
  • Fiber: 9.3g
  • Protein: 5.2g
  • Cholesterol: 61mg

Keywords: Brown Butter Sweet Potato Casserole

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