Sweet Potato Casserole with Marshmallows and Streusel

This Sweet Potato Casserole is a must-have side dish for the holidays, featuring creamy mashed sweet potatoes topped with a decadent layer of toasted marshmallows and brown sugar streusel. It’s a show-stopping crowd-pleaser that’s sure to be a hit at any gathering. Sweet potatoes, brown sugar, cinnamon, butter, and marshmallows come together in perfect harmony, balanced by just a touch of salt to enhance the flavors.

One of the best features of this dish, aside from its irresistible taste, is its convenience. You can prepare it ahead of time, making it an ideal choice for busy holiday cooking. Whether you’re assembling a festive feast or simply looking to impress your guests, this casserole deserves a spot on your table.

Sweet Potato Casserole with Marshmallows and Streusel

Sweet Potato Casserole with Marshmallows and Streusel

Sweet Potato Casserole with Marshmallows and Streusel

This Sweet Potato Casserole is a must-have side dish for the holidays, featuring creamy mashed sweet potatoes topped with a decadent layer of toasted marshmallows and brown sugar streusel. It's a show-stopping crowd-pleaser that's sure to be a hit at any gathering. Sweet potatoes, brown sugar, cinnamon, butter, and marshmallows come together in perfect harmony, balanced by just a touch of salt to enhance the flavors.

Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour

Ingredients

Mashed sweet potatoes:

  • 3 to 3- ¼ pounds sweet potatoes*, peeled and chopped into large chunks, see note
  • 2 tablespoons unsalted butter
  • ¼ cup milk or half and half
  • ½ teaspoon ground cinnamon or pumpkin pie spice
  • 2 tablespoons brown sugar
  • salt, to taste

Topping:

  • 4 tablespoons unsalted butter, softened
  • ¼ cup brown sugar
  • ¼ cup all purpose flour, for a sturdier streusel add and additional heaping tablespoon of flour
  • ½ teaspoon ground cinnamon
  • ⅛ teaspoon salt
  • ½ cup chopped pecans
  • 3 cups mini marshmallows, or more, if you’d like

Instructions

Step-By-Step Instructions

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