Sweet Potatoes Casserole With Marshmallows

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This sweet potato marshmallow casserole is amazing! Creamy sweet mashed potatoes are topped with the golden brown roasted marshmallows – it doesn’t get any better than that! This casserole is a MUST for your next Thanksgiving!

Sweet Potato Marshmallow Casserole

Sweet potatoes and marshmallows are just meant for each other.  They just go so well together, you just have to try it to believe it! Can you imagine – creamy mashed sweet potatoes on the bottom and the golden brown roasted marshmallows on top – mouthwatering!

Sweet Potato Smore Casserole

The marshmallows are crispy on the outside and gooey melted on the inside – absolutely perfect! The melted marshmallows mix with the sweet potatoes in your mouth, this is the best combo ever!

Mashed Sweet Potatoes Topped With Marshmallows

This sweet potato casserole with marshmallow topping is not only delicious, but it looks so impressive! When you make it for Thanksgiving, you will totally wow your guests! When people see this huge casserole dish topped with golden-brown marshmallows, their jaws will drop.  Can you imagine breaking this beautiful marshmallow crust with the spatula to reveal the melted oozing marshmallows inside and the bright orange sweet potatoes? Everyone will want to have a slice, everyone! Then they all go for seconds until there is not even a crumb of the sweet potatoes left!

Marshmallow Sweet Potato Thanksgiving Casserole

S’mores are not just for summer!  This sweet potato marshmallow casserole is a perfect excuse to enjoy the Thanksgiving November s’mores! Sweet potatoes and roasted marshmallows – always say Yes to that!

Sweet Potato Marshmallow Smores Casserole

Making this sweet potato marshmallow bake is really easy! All you need to do is to make mashed sweet potatoes, put them in a casserole dish and top with the layer of mini marshmallows.  Put the assembled casserole in the 350F oven and bake for 20 minutes, until the marshmallow topping is golden brown.  That’s it!

Candied Yams With Marshmallows

To make mashed sweet potatoes, you can either microwave sweet potatoes, bake them or boil them.  No matter how you cook them, the sweet potatoes mash very easily as they are very soft when fully cooked.  Flavor them to your taste with maple syrup, butter and cinnamon – yum!  Mashed sweet potatoes are already so delicious, can you imagine how awesome they will taste when the roasted marshmallows are added to them? OMG!

Sweet Potato Bake With Marshmallow Topping

How To Make Sweet Potato Casserole With Marshmallows

Step 1: Make Mashed Sweet Potatoes And Layer In A Casserole Dish

Peel the sweet potatoes, cut into chunks and boil for 10-15 minutes or until soft. Drain and mash.  Flavor with butter, maple syrup and cinnamon to taste.

Mashed Sweet Potatoes

Step 2: Top Sweet Potatoes With Mini Marshmallows

Sweet Potatoes Topped With Mini Marshmallows

Step 3: Bake at 350F for 20 minutes

How To Make Sweet Potato Casserole Topped With Marshmallows

You can make this marshmallow sweet potato casserole a day or two ahead.  Make-ahead recipes are always a winner, especially when it comes to a busy holiday like Thanksgiving! To make this recipe ahead, make the mashed sweet potatoes, layer them in a casserole dish and refrigerate.  Before serving, warm the mashed potatoes by baking them in the oven at 350F for 30 minutes (or just warm them in a microwave to make it even quicker), then top with marshmallows and bake as usual for 20 minutes until the marshmallows are golden brown.  Enjoy!

Sweet Potatoes With Roasted Marshmallows Easy Recipe

Here are other classic tried-and-true Thanksgiving recipes you will love:

Perfect Thanksgiving Turkey In A Bag

Easy Cornbread Stuffing

Cranberry Orange Sauce With Fresh Cranberries

Make-Ahead Turkey Gravy

Easy Cornbread From Scratch

Easy Pumpkin Pie

Best Ever Apple Pie From Scratch

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Sweet Potatoes Casserole With Marshmallows

This sweet potato marshmallow casserole is amazing! Creamy sweet potatoes topped with golden brown marshmallows that are gooey in the middle! Everyone loves this sweet potatoes casserole with marshmallows on top! This recipe is a MUST for Thanksgiving!
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Side Dish
Cuisine: American
Servings: 8 servings


  • 5 sweet potatoes
  • 1 package 10 oz mini marshmallows
  • 1 stick 8 tbsp butter, melted
  • 1/3 cup maple syrup
  • 1 tsp cinnamon
  • 1/2 tsp salt


  • Preheat the oven to 350F. Grease a non-stick 9x13 baking dish.
  • Peel the sweet potatoes and cut into chunks. Put them in a large pot with water, bring to boil and boil until tender when pierced with a fork (about 10 minutes). Drain the sweet potatoes.
  • Put cooked sweet potatoes, butter, maple syrup, cinnamon and salt in a bowl and mash with a potato masher until everything is combined and smooth.
  • Put the sweet potato mixture in the baking dish and level the top with a back of a spoon.
  • Put a layer of mini marshmallows on top.
  • Put the sweet potato casserole in the oven and bake for 20 minutes.


If making ahead, put the mashed sweet potato mixture (without marshmallows) in a baking dish and refrigerate. Before serving, put the sweet potato dish in the oven for 30 minutes so they are warmed through, then top with marshmallows and return to oven for 20 minutes or until the marshmallows are toasted.
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