Crockpot Sweet Potatoes With Marshmallows

Prep Time 10 minutes
Cook Time 4 hours
Total Time 4 hours 10 minutes
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This Crockpot Sweet Potatoes With Marshmallows recipe is going to bring back some memories. Tender sweet potato cubes are perfectly seasoned with your favorite fall spices and sweetened with maple syrup and, of course, melted mini marshmallows.

A Super-Simple Holiday Side Everyone Will Love!

One of my favorite parts of Thanksgiving as a child was seeing the mini marshmallows in the casserole dish. I was always so amused with the fact that we could eat mini marshmallows with dinner. And now I can cook them anytime with this Crockpot Sweet Potatoes With Marshmallows recipe.

Fortunately, these little fluffy marshmallows pair perfectly with sweet potatoes. Whoever thought of this is pure genius! Sweet potatoes are naturally sweet and they become even more delicious when you add melty mini marshmallows.

Marshmallows aren’t the only star of the dish though! The sweet potatoes are tossed with pumpkin spice – the perfect fall spice blend. To top it all off, we’re cooking the sweet potatoes in a crockpot. So, not only is it delicious but so easy.

a counter with sweet potatoes, bowl of marshmallows, brown sugar, butter, salt, pumpkin pie spice,maple syrup, mini marshmallows, and cinnamon

The Ingredients You’ll Need

Here is what you need to make this easy crockpot recipe. Let’s hit up the pantry and get started!

  • Sweet Potatoes: Delicious and good for you! Did you know that one sweet potato packs in 400% of your daily Vitamin A needs?
  • Brown Sugar: Brown sugar caramelizes perfectly onto the sweet potatoes.
  • Maple Syrup: I always suggest using pure maple syrup instead of the fake stuff.
  • Butter: Unsalted is preferred here. But if you only have salted butter, then omit the salt in the recipe.
  • Pumpkin Pie Spice: The best spice blend to keep handy during the fall season!
  • Salt: A little pinch of salt brings out the overall sweetness of the dish – believe it or not!
  • Mini Marshmallows: My favorite part! Their sweetness is perfect and I love the gooey texture they add.
cubed sweet potatoes with melted mini marshmallows on top on a fork

What’s the Difference Between Candied Yams and Sweet Potatoes?

Yams and sweet potatoes are a bit different even though they look the same.

Yams are starchier and are not as sweet as sweet potatoes. If you were to eat them alone, they would taste more like a regular potato. Therefore, when you make candied yams, you may need a bit more sugar or other sweeteners to make them taste “candied”. Also, sometimes candied yams use orange juice or brandy to help bring their flavor to life.

Sweet potatoes are naturally sweeter. They do not require as much sugar to taste delicious. But, that doesn’t mean that you can’t add maple syrup or sugars to them to make them taste better!

How to Make Crockpot Sweet Potatoes with Marshmallows

You’ll have these yummy sweet potatoes cooking away in the crockpot in no time. Here’s how to make this recipe.

First, prep your slow cooker. Simply spray your crockpot with non-stick cooking spray so the goodies don’t stick to the bottom!

Then, put everything in the crockpot. Give it a good stir so the spices and sweeteners coat the sweet potatoes.

Set the crockpot and wait. It will take about four hours to slow cook the sweet potatoes.

Finally, add the marshmallows! About five minutes before serving, you’ll stir in the mini marshmallows. Then, after about 3-4 minutes, this delicious sweet potato dish is ready!

Recipe Notes

Here are a few things to keep in mind when making this sweet potato recipe.

  • If you like your sweet potatoes with toasted marshmallows, you can spoon them into a casserole dish after they are cooked. Then, top with marshmallows and place in the oven at 400°F for about 10 minutes or until the tops of the marshmallows are browned and toasted.
  • Add nuts! If you like nuts, you can add some nuts for a crunch. You can use pecans or walnuts, or even candied pecans!
A wooden spoon scooping up a serving of crockpot sweet potatoes with marshmallows.

Yummy Serving Ideas

You’ll just need a few more dishes to make your holiday meal planning complete! Here are some favorites that pair well with these sweet potatoes and marshmallows.

  • Waldorf Salad is also a family favorite during the holidays. It’s a great way to add a fresh, fruity salad to a wintery spread.
  • To add some green vegetables to your menu, try my Sauteed Green Beans with Bacon or The Best Green Bean Casserole.
  • Don’t forget to try my Garlic Mashed Potatoes for those of you who need both regular potatoes and sweet potatoes for your holiday spread!
  • And if you are making these for the holidays, you have to make sure to include a batch of my very favorite Homemade Stuffing! It’s so fresh and herb-y, I promise you won’t regret making it!
cubed sweet potatoes with melted mini marshmallows on top in three small serving bowls

Storing and Reheating Instructions

It’s so easy to store this sweet potato dish as leftovers. Be sure that you store them in an air-tight container in the refrigerator. The dish will keep for up to five days. Then, use a microwave to reheat any leftovers.

Can I Freeze Crockpot Sweet Potatoes with Marshmallows?

You can also freeze this recipe. Again, just make sure you use a good air-tight container. You can freeze this dish for up to 3 months.

cubed sweet potatoes with melted mini marshmallows on top in a crockpot
4.5 from 288 votes
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Yield: 8 servings

Crockpot Sweet Potatoes with Marshmallows

Make this childhood favorite right in your crockpot! These sweet potatoes are sweetened with maple syrup, brown sugar, and marshmallows. Plus, this dish has all the fall flavors you love from cinnamon and pumpkin spice.
Prep Time10 minutes
Cook Time4 hours
Total Time4 hours 10 minutes

Ingredients

  • 4 large sweet potatoes, about 2 lbs, peeled and diced into 1/2 inch cubes
  • ¾ cup packed brown sugar
  • ¼ cup maple syrup
  • ½ cup butter, sliced into pieces
  • 1 tablespoon pumpkin pie spice
  • 1 teaspoon salt
  • 2 cups mini marshmallows

Instructions 

  • Spray the slow cooker with non-stick spray.
  • Place the sweet potatoes in the slow cooker. Add the brown sugar, maple syrup, butter, pumpkin pie spice, and salt and stir to combine.
  • Place the lid on the slow cooker and set it on high for 4 hours.
  • Five minutes before serving, remove the lid and top with marshmallows. Place the lid back on the sweet potatoes and let the marshmallows melt for 3 to 5 minutes. Serve immediately!

Nutrition

Serving: 1, Calories: 316kcal, Carbohydrates: 53g, Protein: 2g, Fat: 12g, Saturated Fat: 7g, Polyunsaturated Fat: 4g, Cholesterol: 31mg, Sodium: 404mg, Fiber: 3g, Sugar: 36g

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Recipe Rating




107 Responses
  1. Jojo

    5 stars
    I made these at Thanksgiving and they were THE BEST sweet potatoes we have ever eaten!! I did double the recipe and they fit but it was tight. They still got ready in 4 hours! The Best part – they didn’t turn to the consistency of baby food! I am making again for my work Christmas party. Thank you for this Ah-Mazing Recipe!!!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Sure! I haven’t tried it, but apples usually need less cooking time than sweet potatoes. To prevent them from becoming too soft, I’d add the diced apples half way through the cooking time.

  2. Whitney

    Can you use canned? I’m making our own Thanksgiving dinner family of 2 adults and a 7 year old girl and a 1 year old girl

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      I wouldn’t recommend canned sweet potatoes for this recipe, they are already cooked and softened so they won’t soak up any of the sauce or flavor. Hope you had a wonderful Thanksgiving!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Lauren! Unless your crockpot is an extra huge one, I don’t think double the sweet potatoes will fit in a 7/8 quart crockpot. I would recommend splitting the recipe into two crockpots and cooking as directed. Hope you had a wonderful Thanksgiving!

  3. Brittany

    Hello I accidentally put them on low for the first two hours. ‍♀️ Can I turn them to high now so they will be ready in 3 hours? Also how many people does this recipe feed?

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Brittany! Yes, you can switch them to high and they should finish cooking sooner! It makes 8 servings. Hope you had a wonderful Thanksgiving!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Yes, I would use warm. But for the future, I really recommend fresh (or frozen!) cubed sweet potatoes so they get a chance to soak up all that butter and seasonings as they cook!

  4. Julie

    Hello! The recipe says to serve immediately. Can I make these the day before then add the marshmallows right before eating?

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Sure! I think it would be best though to prep them the day before, refrigerate the crockpot with ingredients inside, then allow the crockpot to warm at room temperature for about an hour and then drop it into the crockpot and let it’s do it’s thing the morning of. That way they are still fresh! Hope you had a wonderful Thanksgiving!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Sheilia! Yes, sure! 350°F for probably about 45 minutes in a baking dish, just until the sweet potatoes are fork tender. Hope you have a happy Thanksgiving!

  5. Laurie

    Hi, just confirming that the sweet potato cubes go in the crockpot without any prior cooking? Should I allow more than 4 hours of cooking just in case? Thanks!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Correct, they go in uncooked! They should cook in the times given in the recipe! Hope you have a happy Thanksgiving!

      1. Bel Ford

        I’ve not tired this yet. I am planning on doing this for Thanksgiving next week. However, would adding chopped pecans be ok in the mix or would I need to add those when adding the marshmallows?

  6. Candice

    Hi Jessica! Could I put this on low cook? I’ve got a cooker that has high for something else,and one that is only low cook Happy Thanxgiving!!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Candice! Yes, you can cook it on low! They will take longer, probably about 7/8 hours, you just need them to get tender! :-) Hope you have a happy Thanksgiving!

      1. Donna Winemiller

        Hi Jessica happy thanksgiving !I’m going to add pecans to mine… Should I add them in the very beginning?

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Christine! Sadly no, the sweet potatoes fill up the crockpot pretty well at the beginning when they are raw. (You can see it in the step by step photos in the post.) You would need a second crockpot to double it. Hope you have a wonderful Thanksgiving!

  7. Donna

    I am making 5 lbs, of sweet potatos, should I double the recipe ingredients? How will this effect cooking time? Should it cook 8 hours?
    Thank you, Donna

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Donna! You will need to split it into two crockpots, and yes, I would double the ingredients if doubling the amount of sweet potatoes! Hope you had a wonderful Thanksgiving!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Kristina, no, you will need to split it into two crockpots. Sadly the raw sweet potatoes take up almost the full amount of space in a standard 7 or 8 quart crockpot.

  8. Kathy

    I see that you mention Cinnamon in the writing gs above, but it is not in the actual recipe with how much to add. How much do I add?

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hey Kathy! I used pumpkin pie spice in the recipe! If you would prefer, you can use the same amount of cinnamon in place of pumpkin pie spice. Both work great, it’s up to your personal preference!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      You can add them whenever you want, they will do fine to cook or not. Personally, I would probably stir them in before you put the marshmallows on top! But you can also add them at the beginning! :-)

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Yes, pure maple syrup! :-) It will give you the best flavor. The artificial stuff will work too, just a little different final flavor.

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Jade! There will be some liquid that comes from the melted butter and maple syrup, you can see it in the photos under the sweet potatoes in the bowls. If you want to thicken it, you could always add a cornstarch slurry (mix 2 tablespoons of water with 2 tablespoons of cornstarch until smooth) and then stir it into the crockpot 5 minutes before serving.

      If you had a lot of water, then it had to have come from your sweet potatoes – did you possibly use frozen sweet potatoes? That would be my only guess if you had a lot of liquid! Hope this helps!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hmm. I worry about the burn error as there isn’t much liquid. For the instant pot, you would need at least 1 cup of water. Which you could add, but then your sweet potatoes would be pretty soup-y.

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Lindsey! I don’t think so? I haven’t used a casserole crockpot, but I would assume it’s the same amount of heat. If it’s hotter, it may take less time. I’m sorry I don’t know for sure!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Be careful doubling, you might not have enough space in your crockpot. You shouldn’t have to double the time, they should cook in about the same amount of time…maybe give them a good stir half way through for even cooking if they are packed in your crockpot.

  9. Mili

    Since it takes 4 hours, can I make it at home that morning, then bring the crockpot to someone’s house and plug it back in to warm it up? Is it ok to sit cooked in the crockpot and travel a bit?

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      I would not recommend canned sweet potatoes for this recipe because they are already sweetened and cooked. You could use frozen cubed sweet potatoes though to save time!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Amanda, aim for 2 lbs of sweet potatoes! That’s a good point, I will update the recipe to include a weight as well! :-)

        1. A woman holding a camera standing in front of some shelves.
          Jessica

          Hi Eee! You could place it in a casserole dish and bake it instead. I would bake at 400°F for about 45 minutes, until tender. I would wrap them with foil.

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi CRL! This recipe serves about 8 servings. You would run out of room if doubling, so if you want to make two batches, I would recommend using two crockpots. Hope this helps!

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      If you use canned sweet potatoes, they are already cooked and sweetened. So really, you could just add canned sweet potatoes to the crockpot, let them warm up, then add the marshmallows. They will be different from this recipe, but you would not want to add any more sweeteners or seasoning to most canned sweet potatoes.

  10. Hannah jerome

    Looks great ! I will be making this ! One question I did have is did you use light brown sugar or dark brown sugar ? ☺️

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Ronnie! The full printable recipe is at the bottom of the post in the recipe card. You can scroll through the post to get there or by hitting the Jump To The Recipe button at the top of the post if you don’t care about any of the information, tips and tricks in the post! Hope this helps!

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Jessica
For the past 15 years, Jorge & Jessica have loved getting to share their families' favorite recipes with all of you. They live in Florida with their 3 kids.