Browned Butter Sweet Potato Casserole

11.16.2015

Sweet Potato Casserole – with browned butter! A perfectly buttery and sweet layer of mashed potato potato is topped with crisp cornflakes and melty marshmallows. It’s the perfect side dish in the fall and during the holidays!

Sweet Potato in a white casserole dish. One scoop is removed to show sweet potato layer. It's topped with rows of crushed cornflakes and pecans then alternating rows of mini marshmallows.

A Must Have Sweet Potato Casserole Recipe!

This sweet potato dish has the best of everything and just the right amount of contrast with it’s creamy sweet potatoes, gooey melty marshmallows and that finishing crisp you get from the cornflakes and crunchy pecans.

Simply put this casserole is heavenly!

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Who know the word casserole and heavenly could ever go together in the same sentence but it just does with this one. Try it and see for yourself! It might just become a family favorite for your family too!

Single serving of sweet potato casserole being scooped onto a white serving plate.

Can I Make This Ahead of Time?

For make ahead you can prepare the sweet potato portion the day before and refrigerate but wait until the following day to add the butter to the topping and wait to add the topping to the casserole until you’re just ready to bake and serve so it doesn’t go stale.

Showing how to make sweet potato casserole. Staring by baking sweet potatoes.

How to Make Browned Butter Sweet Potato Casserole

  • Bake the sweet potatoes until tender and mash.

Mashing sweet potatoes in a mixing bowl.

  • Brown the butter in a saucepan.
  • Add to sweet potatoes along with sugars and salt and mix.

Adding sugars, salt and melted browned butter to sweet potatoes in mixing bowl.

  • Blend in milk and eggs.

Adding eggs and milk to sweet potatoes in mixing bowl.

  • Spread mixture into an even layer in a 13 by 9-inch baking dish.

Spreading sweet potatoes into an even layer in baking dish.

  • Mix cornflakes, pecans, and melted butter and brown sugar.

Making cornflake pecan topping for sweet potato casserole.

  • Spread mixture into rows over sweet potatoes. Bake 30 minutes.

Spreading topping into rows over sweet potatoes layer.

  • Remove from oven, cool 5 minutes add marshmallows between cornflake rows and bake 5 – 10 minutes.

Adding mini marshmallows to sweet potato casserole in rows.

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Browned Butter Sweet Potato Casserole

5 from 7 votes

Sweet Potato Casserole - with browned butter! A perfectly buttery and sweet layer of mashed potato potato is topped with crisp cornflakes and melty marshmallows. It's the perfect side dish in the fall and during the holidays!

Course: Side Dish
Cuisine: American
Keyword: Sweet Potato Casserole
Prep Time: 30 minutes
Cook Time: 1 hour 40 minutes
Total Time: 2 hours 10 minutes
Servings: 12
Calories: 451 kcal
Author: Jaclyn

Ingredients

Sweet Potatoes

  • 5 lbs sweet potatoes
  • 1/2 cup (113g) salted butter, diced into 1-inch pieces
  • 1/2 cup (105g) granulated sugar
  • 1/4 cup (55g) packed light-brown sugar
  • 1/4 tsp salt
  • 3 large eggs
  • 1/3 cup (80ml) milk (anything but skim)

Topping

  • 2 cups (128g) crushed corn flakes*
  • 1/2 cup (54g) chopped pecans
  • 1/4 cup (55g) packed light-brown sugar
  • 3 Tbsp (42g) salted butter, diced into 1-inch pieces
  • 3 cups (148g) miniature marshmallows

Instructions

  1. Preheat oven to 400 degrees. Pierce each sweet potato several times with a fork and transfer to a rimmed cookie sheet. Bake about 1 hour, or until very tender when pierced with a fork.
  2. Meanwhile melt 1/2 cup butter in a medium saucepan over medium heat and allow to brown, swirling pan occasionally.
  3. Remove potatoes from oven and reduce oven temperature to 350. Cut each in half and scoop out flesh into a large mixing bowl. Mash potatoes with a potato masher.
  4. Pour in 1/2 cup browned butter, using a rubber spatula to scrape excess butter from pan, add granulated sugar, 1/4 cup light-brown sugar and salt then using an electric hand mixer set on low speed, blend together until well combine. 

  5. Add in eggs and mix until well blended, then pour in milk and mix until well blended. Pour mixture into a buttered 13 x 9 baking dish and spread into an even layer.
  6. Brown remaining 3 Tbsp butter in a saucepan. Pour crushed cornflakes into a mixing bowl, along with chopped pecans and 1/4 cup light-brown sugar and mix to combine. Pour browned butter over mixture and toss to evenly coat. 
  7. Spread mixture into diagonal rows over mashed sweet potato mixture leaving about a 1 1/2-inch gap between rows. Bake in preheated oven (350 degrees) for 30 minutes (if it's browning too much near the end you can tent with foil if needed).

  8. Remove from oven and rest 5 minutes, then spread marshmallows between rows of corn flake topping. Return to oven and bake until marshmallows are melty and lightly golden if desired about 5 - 10 minutes. Serve warm.

Recipe Notes

  • *Begin with about 4 1/2 cups cornflakes and crush to 2 cups.
  • Note that if you are making this in advance to refrigerate then bake the following day, don't add the corn flake topping until baking or it will become stale. Also I'd recommend placing cold casserole in cool oven and let it preheat with oven.
Nutrition Facts
Browned Butter Sweet Potato Casserole
Amount Per Serving
Calories 451 Calories from Fat 135
% Daily Value*
Total Fat 15g 23%
Saturated Fat 7g 35%
Cholesterol 69mg 23%
Sodium 353mg 15%
Potassium 709mg 20%
Total Carbohydrates 75g 25%
Dietary Fiber 6g 24%
Sugars 34g
Protein 4g 8%
Vitamin A 547.9%
Vitamin C 8.2%
Calcium 8.5%
Iron 25.8%
* Percent Daily Values are based on a 2000 calorie diet.

67 comments

  • Diya: This dish was the winner of my thanksgiving! So yummy!! November 23, 2018 at 10:52am Reply

  • Christa: This is literally the best sweet potato casserole recipe I have ever made and had… There is something about the browned butter that adds a whole new element to the dish! My go to Thanksgiving recipe every year!! November 22, 2018 at 1:54pm Reply

  • Kodi: Should this say yams or actual sweet potatoes. I used sweet potatoes and the color is not the same. November 22, 2018 at 10:50am Reply

    • Jaclyn: As long as they aren’t white or purple it should be fine. Sweet potatoes and yams get mislabled but almost always in the US they are labeled as sweet potatoes.
      Sweet potatoes generally have tapered ends, thin, smooth skin and flesh that can range from light yellow to dark orange. They are wetter.
      Yams have a cylindrical shape with brown, rough, bark-like skin and usually has a white or purple flesh.
      They are starchier and dry. November 22, 2018 at 1:38pm Reply

  • Allison: Love this! November 22, 2018 at 8:21am Reply

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