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Easy Southern Sweet Potato Casserole with Marshmallows

Easy Southern Sweet Potato Casserole with Marshmallows is the ultimate comfort dish, blending creamy sweet potatoes with warm spices and a gooey, golden marshmallow topping. This beloved classic is a staple on holiday tables, especially for Thanksgiving and Christmas, but it’s so delicious you’ll want to make it year-round.
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Equipment

  • Large pot
  • - Potato masher or hand mixer
  • Mixing bowls
  • Measuring cups and spoons
  • - 9x13-inch baking dish
  • Spatula

Ingredients
  

  • #### For the Sweet Potato Base:
  • - 4 large sweet potatoes peeled and cubed
  • - 1/2 cup 115g unsalted butter, melted
  • - 1/3 cup 65g granulated sugar
  • - 1/3 cup 65g brown sugar
  • - 1/2 cup 120ml milk
  • - 2 large eggs
  • - 1 tsp vanilla extract
  • - 1 tsp ground cinnamon
  • - 1/4 tsp ground nutmeg
  • - 1/4 tsp salt
  • #### For the Topping:
  • - 2 cups 150g mini marshmallows
  • - 1/2 cup 50g chopped pecans (optional)

Instructions
 

  • **Cook Sweet Potatoes:** Place the cubed sweet potatoes in a large pot, cover with water, and bring to a boil. Cook for 15–20 minutes, or until the potatoes are fork-tender. Drain and transfer to a large mixing bowl.
  • **Mash Potatoes:** Mash the sweet potatoes until smooth using a potato masher or hand mixer.
  • **Mix Base Ingredients:** Add melted butter, granulated sugar, brown sugar, milk, eggs, vanilla extract, cinnamon, nutmeg, and salt to the mashed sweet potatoes. Mix until well combined and creamy.
  • **Assemble Casserole:** Pour the sweet potato mixture into a greased 9x13-inch baking dish, spreading it out evenly.
  • **Add Topping:** Sprinkle the top with mini marshmallows, and if desired, add chopped pecans for extra crunch.
  • **Bake:** Preheat your oven to 350°F (175°C). Bake the casserole for 20–25 minutes, or until the marshmallows are golden brown and the edges are bubbling.
  • **Serve:** Let cool slightly before serving.