Sweet Potato Casserole with Marshmallows

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Classic sweet potato casserole with toasted melty marshmallows on top. A Thanksgiving staple at our house and one we couldn’t live without!

This casserole will be making an appearance this year on our Thanksgiving table, right next to the green bean casserole and mashed potatoes. It’s the perfect side dish to compliment all the other holiday staples!

Sweet potato casserole with marshmallows in a casserole dish

sweet potato casserole with marshmallows and pecans

Can sweet potato casserole be made WITHOUT marshmallows or pecans? Only if it’s this version with a sweet crunch topping. Otherwise, I think that’s illegal.

Marshmallows and sweet potatoes go hand-in-hand. We love this classic holiday side dish that is both sweet and savory. This recipe is just a little twist on a traditional sweet potato casserole.

If you’ve never tried, made, or tasted sweet potato casserole with marshmallows, definitely put it on your Thanksgiving menu this year. It’s the perfect side dish to any holiday meal—especially around the Thanksgiving table. Both kids and adults love this casserole. It has something for everyone in it!

step by step photos of making sweet potato casserole with marshmallows

how to make sweet potato casserole with marshmallows

Did I mention how simple it is to whip up? You can make this dish in about an hour and while it’s cooking you can be prepping other Thanksgiving dishes.

Make sure you preheat your oven to 325 degrees before you get started.

COOK & MASH. In a medium pot, cover the cubed sweet potatoes in water and cook over medium high heat until tender. Once they are cooked, drain and mash them.

MIX. In a large bowl, mix together the mashed potatoes, sugar, eggs, salt, butter, milk and vanilla extract, until smooth. Poor this all into a greased 9×13″ baking dish.

STREUSEL. To make the streusel topping: mix the brown sugar and flour in a medium bowl and cut in the butter until the mixture is coarse. Stir in pecans, and sprinkle mixture over your sweet potato mixture.

BAKE. Bake it in the oven for about 20 minutes. After 20 minutes, take it out of the oven and sprinkle on the marshmallows. Bake the casserole an additional 10-15 minutes (or until lightly brown).

Note: You can always leave off the streusel and just do the marshmallows- still just as tasty!

sweet potato casserole with marshmallows and pecans streusel

Need to Make Ahead?

If you need to make this dish ahead of time, you can start a couple days in advance. Make the sweet potato filling and smooth it into your casserole dish. Prepare the streusel topping and marshmallows and put them in separate bags or containers. Keep the casserole covered in the fridge for 1-2 days.

When you’re ready to serve it, take it out of the fridge and sprinkle the topping on top. Continue baking it as directed.

Store any leftover casserole in the fridge covered up in plastic wrap. Reheat when necessary in the oven or microwave.

sweet potato casserole topped with marshmallows

For more great holiday casseroles, check out:

COLLECTIONS: Side Dishes, Thanksgiving Side Dishes

Sweet Potato Casserole Recipe with Marshmallows

5 from 10 votes

Classic sweet potato casserole with a sweet pecan streusel and toasted melty marshmallows on top.

Course Side Dish
Cuisine American
Prep Time 5 minutes
Cook Time 1 hour
Total Time 1 hour 5 minutes
Servings 12
Calories 259 kcal
Author Lil' Luna

Ingredients

  • 4 cups cubed sweet potatoes
  • 1/2 cup white sugar
  • 2 eggs beaten
  • 1/2 tsp salt
  • 4 tbsp butter softened
  • 1/2 cup milk
  • 1/2 tsp vanilla extract
  • 1/2 cup packed brown sugar
  • 1/2 cup all-purpose flour
  • 3 tbsp butter softened
  • 1/2 cup chopped pecans
  • 2-3 cups mini marshmallows

Instructions

  1. Preheat oven to 325.

  2. In a medium pot, cover sweet potatoes in water and cook over medium high heat until tender; drain and mash.
  3. In a large bowl, mix together the mashed potatoes, sugar, eggs, salt, butter, milk and vanilla extract, until smooth. Poor in a greased 9x13" baking dish.
  4. Mix the brown sugar and flour in a medium bowl and cut in the butter until the mixture is coarse. Stir in pecans, and sprinkle mixture over your sweet potato mixture.
  5. Bake at 325 for 20 minutes. Sprinkle on marshmallows and bake an additional 10-15 minutes (or until lightly brown).ENJOY!

 

Author

Kristyn Merkley

My name is Kristyn and I’m the mom of SIX stinkin’ cute kids and the wife to my smokin’ hot hubby, Lo. My mom’s maiden name is Luna, and I’m one of the many crafty “Lil’ Lunas” in the fam. On this site I like to share all things creative – from recipes to home decor to gifts and home decor ideas. Welcome!

More by Kristyn

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Comments

  1. 5 stars
    i love most of your post it really helps me alot and i’ve improved in my cooking skills thanks too you my family loves what i make every day and i alway took recipes from here to make thanks 🙂

  2. 5 stars
    One of my all time favorite dishes! We LOVE this Sweet Potato Casserole and the Marshmallows on top add the perfect sweetness. It’s always a hit!

  3. 5 stars
    The sweet potatoes are the classic thanksgiving dish. This recipe is so good! Now i cant wait to serve it for thanksgiving.