Brown Butter Sweet Potato Casserole

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!

What is Brown Butter?

If you’ve never had brown butter before, now is the time! Brown butter is a golden concoction that comes from melting butter down and letting it bubble until perfectly golden brown. The aroma and taste are nutty and toffee-like, making the butter even more decadent! Who knew you could make butter more decadent? Well, this brown butter fits the bill perfectly!

When making brown butter, make sure to keep a close eye on it as butter can burn easily. Nobody wants burned butter, trust me. The butter will bubbly, get foamy, and then turn brown. So, swirl it around and keep an eye on it!

Check out these other recipes featuring brown butter:

Brown Butter Chocolate Chip Cookies

Brown Butter Apple Berry Crisp

Sweet Potato Filling

Whipping up a quick batch of sweet potato filling is easier than you would think. Simply boil the cubed sweet potatoes until fork tender. Transfer to a bowl, add in all the fixings and get to whipping! 

For the best consistency, I highly recommend using a hand mixer or a stand mixer vs. a potato masher. The filling should be as smooth as possible – nobody wants a chunky filling! 

After the sweet potato filling is silky smooth, pour it into a 9×13 baking dish, or a deep, round baking dish such as this one I found at Anthropologie!

Marshmallow Topping

Getting to top an entire dish with marshmallows is like a gift in itself! When it comes to the mallow topping, I like to use a combination of both regular-sized marshmallows and mini marshmallows. I think it just gives the dish such a fun and yummy appearance! The mini marshmallows fill in all the nooks and crannies that the larger ones can’t reach. Plus, how can you go wrong with toasted marshmallows? You just can’t!

The sweet potato filling gets baked prior to adding on the marshmallow topping. So once the mallows are on, it’s go time! They will take about 10-15 minutes in the oven to get nice and toasty. 

Recipe Video:

Looking for other Side Dish Recipes? Check these out!

Mashed Sweet Potatoes
Asiago Herb Mashed Potatoes
Maple Bacon Brussel Sprouts

Print

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Brown Butter Sweet Potato Casserole


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

Description

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!


Ingredients

Scale
  • 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

Instructions

  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!

Notes

  • 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

Nutrition

  • 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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If you make this recipe and love it as much as I do, I’d love to hear from you! Comment below, rate the recipe, or share a picture tagging @kjandcompany or using #kjandcompany so that I can see your fun pictures 🙂

Thanks for following and cooking along with me!

 

Affiliate Links

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