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Delicious sweet potato casserole with marshmallow with whipped cream, served on a white plate.

Classic Sweet Potato Casserole with Marshmallow Topping

Chef Jenn
Sweet Potato Casserole is creamy, warmly spiced, and topped with toasted marshmallows, making it a comforting, crowd-pleasing side dish for holidays or family dinners.
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Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Side Dish
Cuisine American
Servings 8
Calories 364 kcal

Ingredients
  

  • 4 large sweet potatoes peeled and diced
  • ½ cup unsalted butter softened
  • 1 cup milk
  • ½ cup brown sugar
  • 1 large egg
  • 2 tablespoons cinnamon
  • ½ teaspoon salt
  • ½ teaspoon allspice
  • ¼ teaspoon nutmeg
  • 1 teaspoon vanilla extract
  • 1½ cups mini marshmallows

Instructions
 

  • Preheat the oven to 350°F (175°C). Spray a 2-quart casserole dish with non-stick spray.
  • Boil the diced sweet potatoes in water for about 15 minutes or until tender; drain well.
  • Mash the sweet potatoes in a stand mixer until smooth.
  • Mix in the butter, then add the milk, brown sugar, egg, vanilla, cinnamon, allspice, salt, and nutmeg.
  • Transfer to the casserole dish and bake for 40 minutes.
  • Top with marshmallows and bake 5 minutes more, until lightly toasted.
  • Cool slightly, then serve.

Notes

Chef Jenn’s Tips

  • Cut the sweet potatoes into similar-sized pieces so they cook evenly.
  • Add the butter while the potatoes are hot to help it melt smoothly.
  • Watch the marshmallows closely at the end; they toast quickly.

Nutrition

Serving: 1servingCalories: 364kcalCarbohydrates: 59gProtein: 5gFat: 13gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.5gCholesterol: 57mgSodium: 273mgPotassium: 660mgFiber: 6gSugar: 27gVitamin A: 24562IUVitamin C: 4mgCalcium: 128mgIron: 1mg

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed.

Keyword holiday side dish, marshmallow topping, sweet potato casserole
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