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A casserole dish with sweet potato casserole topped half with toasted marshmallows and half with a crumbly pecan streusel, with a scoop missing to reveal the orange sweet potato layer.
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Sweet Potato Casserole with Marshmallows and Pecan Topping

It wouldn't be Thanksgiving without this classic side dish!
Prep Time20 minutes
Cook Time1 hour 20 minutes
Cool Time1 hour
Total Time2 hours 40 minutes
Course: Side Dish
Cuisine: American
Keyword: Make-ahead, Marshmallows, Pecans, Sweet Potato, Thanksgiving
Servings: 12
Author: Nicole

Equipment

Ingredients

For the Filling

  • 4 good-sized sweet potatoes (about 3 pounds), scrubbed clean
  • ¼ cup granulated sugar
  • 4 tablespoons (2 ounces) unsalted butter, melted
  • 2 extra-large eggs lightly beaten
  • 1 teaspoon pure vanilla extract
  • cup milk
  • ½ teaspoon kosher salt

For the Topping

  • 2 cups mini-marshmallows
  • 3 tablespoons (1 ½ ounces) unsalted butter, melted
  • ½ cup packed light brown sugar
  • ¼ cup unbleached all-purpose flour
  • ½ cup chopped pecans
  • Pinch of kosher salt

Instructions

  • Preheat the oven to 400ºF. Line a rimmed baking sheet with foil. Place the sweet potatoes on the baking sheet and bake until soft, about 45-60 minutes. (The potatoes will ooze some syrup.) Allow the potatoes to cool to the touch. Once cool, peel the potatoes and force the flesh through a ricer. (This removes the strings and makes for a fluffy and smooth texture.)
  • In a large bowl beat together the mashed sweet potatoes, sugar, butter, eggs, vanilla, milk, and salt using a hand-held mixer. Place the mixture in a 7 x 11-inch baking dish or 2-quart casserole.
  • Preheat the oven to 350ºF.

For the Topping

  • Sprinkle the mini marshmallows over half of the sweet potatoes. In a small bowl, mix together the  butter, brown sugar, flour, pecans, and salt. Sprinkle over the other half of the sweet potatoes.
  • Bake for 25 minutes or until the pecan topping is browned and the marshmallows are toasted. Enjoy!

Notes

Make ahead:
Unbaked casserole can be assembled the day before, covered and refrigerated. Bring to room temperature before baking.

Nutrition

Calories: 253kcal | Carbohydrates: 38g | Protein: 3g | Fat: 11g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.3g | Cholesterol: 45mg | Sodium: 161mg | Potassium: 305mg | Fiber: 3g | Sugar: 21g | Vitamin A: 10940IU | Vitamin C: 2mg | Calcium: 45mg | Iron: 1mg
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