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Mixing the sweet potato filling for The BEST Sweet Potato Casserole.

The BEST Sweet Potato Casserole

  • Author: Caoimhe Byrne
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: 8-10 1x
  • Category: Side Dish
  • Cuisine: American, Southern

Description

This Sweet Potato Casserole is a classic holiday side dish with a creamy, sweet potato base and a delicious brown sugar pecan topping. It’s the perfect combination of textures and flavors!


Ingredients

Scale

For the Brown Sugar Pecan Topping:

  • 1/2 cup packed light brown sugar
  • 1/3 cup all-purpose flour
  • 1 teaspoon ground cinnamon
  • 1/4 cup salted butter, softened
  • 1/2 cup chopped pecans

For the Casserole:

  • 5 medium-large sweet potatoes, pre-baked (see notes for instructions)
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1/4 cup unsalted butter, slightly melted
  • 1/3 cup evaporated milk (or regular milk or heavy cream)
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon kosher salt
  • Optional: 1 1/2 cups mini marshmallows

Instructions

  • Preheat Oven: Preheat your oven to 325°F (160°C).
  • Make Topping: In a medium bowl, combine the brown sugar, flour, and cinnamon. Cut in the softened salted butter using a fork, pastry blender, or your fingertips until the mixture resembles coarse crumbs. Stir in the chopped pecans. Set aside.
  • Prepare Sweet Potato Mixture: Scoop the flesh from the 5 pre-baked sweet potatoes into a large bowl. Mash with a potato masher until smooth (you should have about 3 cups of mashed sweet potato).
  • Combine Ingredients: Add the granulated sugar, eggs, melted unsalted butter, evaporated milk (or milk/cream), vanilla extract, and salt to the mashed sweet potatoes. Stir until well combined and smooth.
  • Assemble Casserole: Spread the sweet potato mixture evenly in a 9×13-inch baking dish (or an 11×8-inch dish for a thicker casserole).
  • Add Topping: Sprinkle the brown sugar pecan topping evenly over the sweet potato mixture.
  • Bake: Bake for 25-30 minutes, or until the topping is lightly browned and caramelized.
  • Add Marshmallows (Optional): If using marshmallows, remove the casserole from the oven after the initial baking time. Sprinkle the marshmallows evenly over the top. Return the casserole to the oven and broil for 2 minutes, or until the marshmallows are golden brown and gooey. Watch carefully to prevent burning.
  • Serve

Notes

  • Pre-Baked Sweet Potatoes: To pre-bake the sweet potatoes, pierce them several times with a fork and bake them at 400°F (200°C) for 45-60 minutes, or until tender. Let them cool slightly before scooping out the flesh. Alternatively, you can microwave the sweet potatoes until tender.
  • Topping: The topping can be made ahead of time and stored in the refrigerator until ready to use.
  • Make-Ahead: You can assemble the casserole (without the topping) a day ahead of time and store it, covered, in the refrigerator. Add the topping just before baking.
  • Serving Suggestions: This sweet potato casserole is a classic Thanksgiving and Christmas side dish, but it’s delicious any time of year.
  • Storage: Keep in the fridge for up to 4 days.