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Cozy Sweet Potato Casserole Recipe with Gooey Marshmallow Topping

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A nostalgic and comforting sweet potato casserole topped with a golden, gooey marshmallow crust, perfect for holidays and family gatherings.

Ingredients

Scale
  • 3 large sweet potatoes, peeled and cubed (about 2 pounds / 900 grams)
  • 6 tablespoons unsalted butter, softened (85 grams)
  • 1/2 cup brown sugar, packed (100 grams)
  • 1 teaspoon vanilla extract
  • 1 teaspoon cinnamon
  • 1/4 teaspoon ground nutmeg (optional)
  • 1/2 teaspoon salt
  • 1/4 cup milk, whole or 2% (60 ml)
  • 2 large eggs, room temperature
  • 2 cups mini marshmallows (about 120 grams)

Instructions

  1. Peel and cut the sweet potatoes into roughly 1-inch cubes. Place them in a large pot and cover with cold water. Bring to a boil over high heat, then reduce to medium and simmer for 15-20 minutes until fork-tender. Drain well and transfer to a large mixing bowl.
  2. Mash the sweet potatoes using a hand mixer or potato masher until mostly smooth but still slightly textured.
  3. Stir in the softened butter, brown sugar, vanilla extract, cinnamon, nutmeg (if using), and salt until evenly combined and glossy.
  4. Beat the eggs lightly in a separate bowl, then add them along with the milk to the sweet potato mixture. Stir thoroughly to combine, ensuring the potatoes are not too hot to avoid scrambling the eggs.
  5. Spoon the sweet potato mixture into a 9×13 inch baking dish, smoothing the top.
  6. Sprinkle the mini marshmallows evenly over the surface.
  7. Preheat oven to 350°F (175°C). Bake uncovered for 25-30 minutes until marshmallows are puffed and golden brown. Tent with foil if marshmallows brown too quickly.
  8. Let the casserole cool for 5-10 minutes before serving.

Notes

For extra-toasty marshmallows, broil for 1-2 minutes at the end but watch closely to avoid burning. Use fresh sweet potatoes for best texture and flavor. To avoid scrambled eggs, add eggs and milk once potatoes have cooled slightly. Store leftovers covered in the refrigerator for up to 3 days and reheat gently in the oven at 325°F for 15 minutes.

Nutrition

Keywords: sweet potato casserole, marshmallow topping, holiday side dish, Thanksgiving, Christmas, comfort food, easy casserole

Find it online: https://elvafood.com/cozy-sweet-potato-casserole-recipe-with-gooey-marshmallow-topping-easy-and-perfect-for-holidays/