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Best Sweet Potato Casserole

Best Sweet Potato Casserole

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A creamy and indulgent sweet potato casserole topped with a buttery brown sugar streusel, perfect for holiday gatherings and beloved by all ages.

Ingredients

  • 3 lbs sweet potatoes (about 5–6 medium)
  • 6 tablespoons butter, melted
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 2 teaspoons pure vanilla extract
  • 1 teaspoon ground cinnamon
  • 1 teaspoon salt (reduce to 1/2 tsp if using salted butter)
  • 1/4 cup half-and-half
  • 3 tablespoons salted butter, softened (for topping)
  • 1 cup light brown sugar (for topping)
  • 1/3 cup all-purpose flour (for topping)

Instructions

  1. Preheat oven to 400°F.
  2. Place sweet potatoes on a baking sheet and pierce each with a fork.
  3. Bake for 60 minutes or until completely soft.
  4. Let cool slightly, then cut open and scoop out the flesh into a large bowl.
  5. Add melted butter, sugar, eggs, vanilla, cinnamon, salt, and half-and-half.
  6. Whip the mixture until smooth and creamy.
  7. Transfer to a greased 9×13-inch baking dish and spread evenly.
  8. In a small bowl, mix softened butter, brown sugar, and flour to form coarse crumbs.
  9. Sprinkle the topping over the sweet potato mixture.
  10. Bake at 350°F for 25 minutes until heated through and the topping is golden.

Notes

  • Roasting instead of boiling sweet potatoes enhances caramelized flavor.
  • You can add 1 cup of chopped pecans to the topping for crunch.
  • To add marshmallows, use 1 cup mini marshmallows and reduce sugar in the base to 1/3 cup.
  • Can be made ahead and stored in the fridge for up to 2 days before baking.