Easy Sweet Potato Casserole Recipe

This Easy Sweet Potato Casserole is the ultimate holiday side dish, delivering a perfect balance of creamy, spiced filling and a golden, gooey marshmallow topping. After years of testing, I’ve streamlined the process to create a foolproof recipe that’s both decadent and simple to prepare, ensuring you get that iconic flavor without the fuss.

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Easy Sweet Potato Casserole

  • Author: Dorothy Miller

Ingredients

Scale
  • For the 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
  • For the marshmallow layer:
  • 10 oz mini marshmallows

Instructions

  1. Peel the sweet potatoes and cut them into large chunks. Place them in a large saucepan and cover with water.
  2. Bring the water to a boil and cook the sweet potatoes until they are tender and easily pierced with a fork. They should be soft enough to fall apart easily.
  3. Drain the sweet potatoes and return them to the saucepan. Use a potato masher to mash them thoroughly.
  4. Add the rest of the filling ingredients: butter, brown sugar, salt, cinnamon, vanilla extract, and nutmeg. Mix everything together until well combined.
  5. Grease a 9×13-inch baking dish with cooking spray.
  6. Spread the sweet potato filling evenly in the prepared baking dish.
  7. Top with mini marshmallows, spreading them out in an even layer.
  8. Bake the casserole in a preheated oven at 350 degrees Fahrenheit for 25-35 minutes, or until it is bubbly and the marshmallows are golden brown on top. Watch closely towards the end to achieve the perfect golden brown color without burning.

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