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Easy Sweet Potato Casserole Recipe

4.7 from 150 reviews

This Easy Sweet Potato Casserole combines tender, mashed sweet potatoes with a blend of warm spices and brown sugar, topped with a golden, toasted marshmallow layer. It’s a classic, comforting side dish perfect for holiday meals or cozy family dinners.

Ingredients

Scale

Sweet Potato Filling

  • 4 large sweet potatoes (peeled and cut into large pieces)
  • 1 cup light brown sugar
  • ½ cup butter, melted
  • 1 teaspoon vanilla extract
  • ½ teaspoon cinnamon
  • ½ teaspoon salt
  • ¼ teaspoon nutmeg

Marshmallow Layer

  • 10 oz mini marshmallows

Instructions

  1. Prepare the Sweet Potatoes: Peel the sweet potatoes and cut them into large chunks. Place them in a large saucepan and cover with water.
  2. Cook the Sweet Potatoes: Bring the water to a boil and cook the sweet potatoes until tender and easily pierced with a fork, about 15-20 minutes. They should be soft enough to fall apart easily.
  3. Mash the Potatoes: Drain the sweet potatoes and return them to the saucepan. Use a potato masher to mash them thoroughly to a smooth consistency.
  4. Add Filling Ingredients: Mix in the melted butter, brown sugar, salt, cinnamon, vanilla extract, and nutmeg until everything is well combined and smooth.
  5. Prepare Baking Dish: Grease a 9×13-inch baking dish with cooking spray to prevent sticking.
  6. Assemble the Casserole: Spread the sweet potato filling evenly in the prepared baking dish.
  7. Add Marshmallow Topping: Evenly spread mini marshmallows over the sweet potato layer.
  8. Bake: Bake in a preheated oven at 350°F (175°C) for 25-35 minutes, or until the casserole is bubbly and marshmallows are golden brown. Watch closely near the end to prevent burning.

Notes

  • Use fresh sweet potatoes for best flavor and texture.
  • For a nuttier flavor, consider adding chopped pecans on top before adding marshmallows.
  • Adjust the brown sugar depending on your desired sweetness level.
  • Toasting marshmallows can happen quickly towards the end—keep a close eye to avoid burning.
  • This casserole can be prepared a day in advance and refrigerated before baking.

Keywords: sweet potato casserole, holiday side dish, mashed sweet potatoes, marshmallow topping, easy casserole recipe