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Sweet Potatoes » Sweet Potato Casserole with Marshmallows

Sweet Potato Casserole with Marshmallows

Oct 29, 2018 48 Comments

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Sweet Potato Casserole with Marshmallows
 

This easy Sweet Potato Casserole with Marshmallows, made with fresh sweet potatoes or canned sweet potatoes, has been a traditional Thanksgiving and Christmas side dish in our family for as long as I can remember.

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Sweet Potato Casserole with Marshmallows with a spoon lifting sweet potatoes out of casserole dish

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As a kid I LOVED marshmallows. So at Thanksgiving, the Sweet Potato Casserole was my favorite side dish. Yes, I also liked the traditional Thanksgiving dishes:

  • turkey
  • green bean casserole
  • roasted brussels sprouts
  • glazed carrots
  • squash casserole 
  • mashed potatoes
  • creamed corn
  • cranberry fluff
  • cornbread dressing
  • pumpkin pie
  • Pumpkin Praline Bread Pudding
  • Eggnog Tres Leches Cake
  • Thanksgiving desserts

However, the Sweet Potato Casserole totally rocked! It is still a favorite out of all of my sweet potato recipes!

When I was maybe about 7 or 8 years old, my job at Thanksgiving was to add the marshmallows on top of the sweet potatoes and then I would scarf a couple of marshmallows for myself also. 🙂

Sweet Potato Casserole with Marshmallows

So when it came to adding marshmallows (one of my favorite things in the world) in my 7 or 8-year-old mind, the more marshmallows the better!

So one year while no one was looking, I added more marshmallows, and then just a little more, and maybe a little more…as many as I could fit on top. I think I emptied the entire bag. Then in the oven, they went.

And the hardest part (especially to a kid) was the waiting. So I waited and waited.

Sweet Potato Casserole with Marshmallows - overhead shot of ingredients with wood background

Then the next thing I know I hear this BOOM! And then I smelled this horrible smell…..the smell of burning marshmallows.

My sister opened the oven door and the marshmallows had exploded all over the oven. The entire oven was covered with black burning marshmallows.

However, that mishap did not deter us. This Sweet Potato Casserole continued to be on our Thanksgiving table every year, year after year without any more marshmallow mishaps.

How could we not have it on the table? This Sweet Potato Casserole with Marshmallows was part of our Thanksgiving traditions.

Tips for the Perfect Sweet Potato Casserole

I will share just a few tips.

First, I recommend using fresh sweet potatoes. Yes, it can totally work with canned yams or canned sweet potatoes, but to me, the flavor of the fresh sweet potatoes is better.

Don’t overload the marshmallows. I recommend just 1 layer of marshmallows on top. Don’t stack the marshmallows on top of each other, unless you want a marshmallow casserole with a few sweet potatoes. If that is the case, then go ahead. Who am I to judge?

Sweet Potato Casserole with Marshmallows - process shot - combine sweet potato casserole ingredients in a glass bowl with green background.

Make Ahead Sweet Potato Casserole

To manage time, I recommend baking the sweet potatoes the day before. You can even assemble the whole casserole, except for the marshmallows, the day before and keep refrigerated until you are ready to bake.

How To Cook Sweet Potatoes For Sweet Potato Casserole

You have a couple of choices when it comes to cooking the sweet potatoes for this dish.

  1. Roast the sweet potatoes. This is my preferred method if I have time. It is a great option if you are making the Sweet Potato Casserole a day or two ahead of time.
  2. Boil the sweet potatoes. If you don’t have as much time, you can peel and quarter the sweet potatoes and boil them on top of the stove. This is the method used in the video.

Sweet Potato Casserole with Marshmallows - overhead shot of mashed sweet potatoes in baking dish before marshmallows added

 

How To Make Sweet Potato Casserole With Marshmallows

  1. At Thanksgiving, this sweet potato casserole with marshmallows is one of the dishes that I make a day before Thanksgiving. It lends itself perfectly to being made ahead of time.
  2. Cook and mash the sweet potatoes a day ahead of time.
  3. Mix together the sweet potato filling and assemble the casserole a day ahead of time. (I usually leave the marshmallows off the casserole until right before I put them in the oven.)
  4. Then on Thanksgiving Day, all you have to do is add the marshmallows on top and bake the casserole in the oven. All the heavy lifting was done ahead of time.

Sweet Potato Casserole with Marshmallows - with marshmallows added

Sweet Potato Casserole with Marshmallows after baking

Variations On Sweet Potato Casserole With Marshmallows

  1. Add a Pecan Streusel.  One of the most popular variations on the sweet potato casserole is to add a pecan streusel in addition to the marshmallows. That gives it a sweet crunchy texture in addition to the sweet, creamy goodness.

How To Make a Pecan Streusel For Sweet Potato Casserole

  1. In a bowl, stir together brown sugar, flour, melted butter, and pecans.
  2. Sprinkle over the top of the sweet potatoes and marshmallows.

For another sweet potato recipe idea, check out my Chipotle Sweet Potatoes with Queso Fresco or Orange Guajillo Glazed Sweet Potatoes to add a Mexican twist to your sweet potatoes, or lighten up your snacks with Sweet Potato Toast or Baked Sweet Potato Chips.

Sweet Potato Casserole-with Marshmallows

 

What will you serve with the Sweet Potato Casserole with Marshmallows on your Thanksgiving table? Be sure to check out the other Thanksgiving sides and Thanksgiving desserts on Flavor Mosaic.

Roast Turkey with Apple Cider Brine

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4.43 from 42 votes

Sweet Potato Casserole with Marshmallows

This Sweet Potato Casserole with Marshmallows is a family favorite at our Thanksgiving or holiday table. I hope it becomes a favorite for your family too.
Course Sides
Cuisine American
Keyword Easy Sweet Potato Casserole, Southern Sweet Potato Casserole, Southern Sweet Potato Casserole Marshmallows, Sweet Potato Casserole, Sweet Potato Casserole with Marshmallows, Sweet Potatoes
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 8
Calories 215kcal
Author Michele @ Flavor Mosaic

Ingredients

  • 2-1/2 pounds sweet potatoes cooked, peeled and mashed
  • 1/4 cup butter melted
  • 1/4 cup white sugar
  • 1/4 cup brown sugar
  • 2 eggs beaten
  • 1/2 cup milk
  • 1/2 teaspoon cinnamon
  • 2 cups mini marshmallows
US Customary - Metric

Instructions

  • Preheat oven to 350 degrees F. Spray a 9x13 baking dish with cooking spray.
  • In a large bowl mix together the sweet potatoes, butter, white and brown sugars, eggs, milk, and cinnamon.
  • Spread the sweet potato mixture evenly into a prepared 9 x 13 baking dish.
  • Sprinkle the mini marshmallows evenly over the top in a single layer. (Don't overload the marshmallows.
  • Bake at 350 degrees F for about 30 minutes or just until the marshmallows are golden brown.

Video

Notes

To learn how to "bake" sweet potatoes in an Instant Pot, check out my Instant Pot Sweet Potatoes recipe. Then you can mash the sweet potatoes and use them in this recipe.
To Make Optional Pecan Streusel Topping.
  1. In a bowl, stir together 1/4 cup (1/2 stick) softened butter, and 1/2 cup each: brown sugar, flour, and pecans.
  2. Sprinkle over the top of the sweet potatoes and marshmallows.
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Round out your holiday dinner with these recipes
turkey
green bean casserole
easy cornbread dressing
squash casserole
pumpkin pie

Nutrition

Calories: 215kcal | Carbohydrates: 35g | Protein: 3g | Fat: 7g | Saturated Fat: 4g | Cholesterol: 57mg | Sodium: 116mg | Potassium: 235mg | Fiber: 1g | Sugar: 23g | Vitamin A: 8305IU | Vitamin C: 1.3mg | Calcium: 48mg | Iron: 0.6mg

This recipe was originally published November 25, 2014, and republished with new photos and additional tips and how to information on October 29, 2018.

 

 

 

 

Filed Under: Casserole, Comfort Food, Fall Recipes, Popular Posts, Potatoes, Southern Recipes, Sweet Potatoes, Thanksgiving, Thanksgiving Sides Tagged With: Easy Sweet Potato Casserole, marshmallows, Southern Sweet Potato Casserole, Southern Sweet Potato Casserole with Marshmallows, sweet potato casserole, sweet potato casserole with marshmallows, sweet potatoes, Thanksgiving, Thanksgiving side dish, Thanksgiving Sweet Potato Casserole

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Reader Interactions

Comments

  1. S says

    November 24, 2015 at 7:54 pm

    Can’t wait to make this! Looks really foolproof!

    Reply
    • Michele says

      November 17, 2016 at 9:39 am

      Hi S. It really is foolproof in my opinion because we have made it every year for as long as I can remember in our family.

      Reply
  2. Lisa @ The Cooking Bride says

    November 26, 2015 at 7:42 am

    Thanks for this! I’m taking sweet potato casserole for Thanksgiving this afternoon and I misplaced my recipe! This looks similar to what I make.

    Reply
    • Michele says

      November 26, 2015 at 8:10 am

      Hi Lisa, I’m so happy you found this recipe. Have a wonderful Thanksgiving!

      Reply
  3. Angie says

    November 26, 2015 at 4:19 pm

    How many potatoes are 2 1/2 pounds? I bought 6 giant ones

    Reply
    • Michele says

      November 27, 2015 at 7:49 am

      Hi Angie, it is probably about 3 very large potatoes.

      Reply
  4. Nicole says

    November 24, 2016 at 10:34 am

    How do I cook the sweet potatoe before mashing?

    Reply
    • Michele says

      November 24, 2016 at 11:33 am

      You can bake them in the oven for about 1 hour to 1-1/2 hours depending on the size of the potatoes.

      Reply
      • Lauren says

        April 20, 2019 at 3:15 pm

        Hi Michele, do you wrap your sweet potatoes in aluminum foil when you bake them or just throw them in the oven as is?

        Thanks!

        Reply
        • Michele says

          April 21, 2019 at 6:33 pm

          Hi Lauren, I typically don’t wrap them in aluminum foil. I will put foil on the pan and cook the sweet potatoes as they are.

          Reply
      • Amber says

        November 27, 2019 at 10:23 pm

        At what temperature?

        Reply
        • Michele says

          November 28, 2019 at 2:53 am

          Hi Amber, if you are referring to what temperature to bake individual sweet potatoes before mashing them, I recommend baking them at 425 for about 45 minutes, but could take longer depending on the size of the individual sweet potatoes.

          If you are referring to what temperature to bake the prepared sweet potato casserole, then bake it at 350 degrees F for 30 minutes.

          Reply
  5. Marion says

    October 20, 2018 at 4:29 pm

    Love love love this recipe for sweet potato casserole with marshmallows. This is a must-make recipe for Thanksgiving! The only bad thing is, there aren’t any leftovers! EVER!! Thanks for sharing!

    Reply
    • Michele says

      October 20, 2018 at 9:17 pm

      Thanks Marion! I’m so glad you love it! It is a Thanksgiving tradition at our house. I’d be disowned by the family if I didn’t serve it for Thanksgiving.

      Reply
  6. Dianna says

    November 4, 2018 at 1:43 am

    I made this earlier today for my first time just to see if it would come out good for thanksgiving and it did! It was amazing thank you so much for sharing this to everyone

    Reply
    • Michele says

      November 4, 2018 at 3:24 am

      Hi Dianna, I’m so glad you liked it. This is a tried and true recipe that has been passed down from my parents. It has been on our Thanksgiving table every year since I was a kid. It is on our Thanksgiving table every year now. Be sure to share with your friends and try some of our other Thanksgiving recipes as well. I have an awesome roasted turkey recipe and a Pumpkin Praline Bread Pudding that is to die for!

      Reply
  7. Christina S. says

    November 22, 2018 at 7:34 am

    I made this last year for the first time and my grandma loved yet. She requested it again this year. I did the make ahead and will bake today. Thank you!

    Reply
    • Michele says

      November 22, 2018 at 8:33 am

      Hi Christina, I’m so happy you tried my Sweet Potato Casserole recipe and that your Grandma loved it. I made it yesterday and will bake it today as well. Happy Thanksgiving!

      Reply
  8. Dustin says

    November 22, 2018 at 10:59 am

    Hi! I’m making this for the 1st time today (Thanksgiving 2018) I don’t usually like changing recipes or ‘making them my own’ as there is alot of thought, trial, and error that goes into publishing a recipe that has been perfected, HOWEVER, I have a problem with textures, so what I did was kept the canned sweet potatoes in their chunks and just cut them up into smaller chunks and stirred into the other ingredients, then topped with the marshmallows and we’ll see how it comes out. Thank you for this recipe, it sounds great, can’t wait to taste it when it’s done!

    Reply
    • Michele says

      November 22, 2018 at 6:57 pm

      Hi Dustin, Don’t worry, I don’t mind if you tweak the recipe to meet your preferences because I tweak recipes all the time so that it fits my family’s taste preference. I hope that turned out well for you. I typically use fresh sweet potatoes so the texture will be different than the canned. I hope you and your family liked it.

      Reply
  9. Sally Jackson says

    November 25, 2018 at 9:19 pm

    I made this for our Thanksgiving dinner. It was so easy and tasted great.

    Reply
    • Michele says

      November 26, 2018 at 5:32 am

      Hi Sally, I’m so glad you liked it. Thanks for coming back here to let us know. I hope you had a wonderful Thanksgiving. Be sure to check out the other 500+ recipes on Flavor Mosaic for your other holiday and weeknight dinners!

      Reply
  10. Marion says

    November 22, 2019 at 4:58 am

    Can I use canned sweet potatoes and how much would I need. Are sweet yams the same? And how much

    Reply
    • Michele says

      November 22, 2019 at 4:30 pm

      Hi Marion, yes you can use canned sweet potatoes. You would need enough of the canned potatoes to equal 2-1/2 lbs of sweet potatoes, which would be 40 ounces of canned sweet potatoes. A typical can of sweet potatoes is 29 ounces. So get two 29-ounce cans, and you may only use part of the 2nd can.

      Reply
  11. Patti says

    November 24, 2019 at 6:39 am

    Recipe sounds interesting, can you provide the measurements for the pecan topping?

    Reply
    • Michele says

      November 24, 2019 at 7:54 am

      1/4 cup softened butter, 1/4 cup brown sugar, 1/3 cup flour, 1/2 teaspoon cinnamon. Use a fork to mix together and then add in 1/2 cup chopped pecans and stir together. Add to the top of the casserole before baking. Top with marshmallows. Bake per recipe instructions.

      Reply
  12. Tonya says

    November 27, 2019 at 10:51 am

    quick question, I am going to roast the potatoes today, do I bake already peeled?

    Reply
    • Michele says

      November 27, 2019 at 1:33 pm

      Hi Tonya, I usually bake them with the peel on.

      Reply
      • Karen says

        November 27, 2019 at 2:36 pm

        What temp do you bake the sweet potatoes before peeling and what temp? Thanks!

        Reply
        • Michele says

          November 27, 2019 at 3:14 pm

          Hi Karen, bake at 425 degrees F for about 45 minutes (the time depends on how big the sweet potatoes are.) Larger potatoes might take up to an hour.

          Reply
  13. Rachel says

    November 28, 2019 at 4:24 pm

    Love the sweet potato casserole but it doesn’t look like you have the measurements for the streusel?

    Reply
    • Michele says

      November 29, 2019 at 2:29 pm

      Hi Rachel,

      I included the streusel as a variation. However, it was not meant to be the main recipe. In the future I’ll have to publish a post for a sweet potato casserole with streusel. However, while it is probably too late now, but the measurements would be: 1/4 cup softened butter, 1/4 cup brown sugar, 1/3 cup flour, 1/2 teaspoon cinnamon. Use a fork to mix together and then add in 1/2 cup chopped pecans and stir together. Add to the top of the casserole before baking. Top with marshmallows. Bake per recipe instructions.

      Reply
  14. Pepa says

    September 29, 2020 at 7:46 pm

    It’s so good!!! Everybody loved it!!! I like to do half of the sugar so I did 1/8 cup of brown sugar and 1/8 cup of sugar instead of 1/4 cup each. I used unsweetened apple sauce instead of eggs. Love this recipe!!! Thank you!!

    Reply
    • Michele says

      September 29, 2020 at 8:06 pm

      Hi Pepa,

      I’m so glad you liked it. That is a great way to make the casserole a little healthier. Great idea. Please be sure to share the blog post with friends. Also be sure to check out our other recipes. We have over 600 recipes to choose from.

      Michele

      Reply
  15. Kelley J Madsen says

    November 23, 2020 at 5:06 pm

    Fir some reason I remember my mom using Evaporated milk instead. Would it be about the same amount?

    Reply
    • Michele says

      November 23, 2020 at 6:37 pm

      Hi Kelley,

      I have not tested it with Evaporated milk but I would imagine that you could 1/2 cup and it would be ok. That will probably make it even a little richer. Let me know how it turns out.

      Happy Thanksgiving!

      Michele

      Reply
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