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Best Easy Brown Sugar Sweet Potato Casserole with Pecan Streusel

brown sugar sweet potato casserole - featured image

This brown sugar sweet potato casserole with a crunchy pecan streusel topping is the ultimate holiday side dish. It’s quick, easy, and made with simple ingredients, perfect for Thanksgiving, Christmas, or any cozy dinner.

Ingredients

Scale
  • 3 pounds sweet potatoes (about 4–5 medium), peeled and cubed into 1-inch pieces
  • 1/2 cup packed brown sugar (light or dark)
  • 4 tablespoons unsalted butter, melted
  • 2 large eggs, at room temperature
  • 1/2 cup milk (whole milk preferred)
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon salt
  • 1 teaspoon cinnamon
  • 1/4 teaspoon nutmeg
  • 1 cup pecans, chopped
  • 1/2 cup packed brown sugar (for streusel)
  • 1/4 cup all-purpose flour
  • 4 tablespoons unsalted butter, cold and cubed
  • 1/2 teaspoon cinnamon (for streusel)
  • Pinch of salt (for streusel)

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
  2. Place sweet potatoes in a large pot, cover with cold water by 1 inch, add a pinch of salt, and bring to a boil. Cook for 12-15 minutes until fork-tender. Drain well.
  3. Mash sweet potatoes in a large bowl until mostly smooth with a few lumps.
  4. Add 1/2 cup brown sugar, 4 tablespoons melted butter, eggs, milk, vanilla, 1/2 teaspoon salt, 1 teaspoon cinnamon, and nutmeg. Stir until well combined.
  5. In a medium bowl, combine pecans, 1/2 cup brown sugar, flour, 1/2 teaspoon cinnamon, and a pinch of salt. Cut in cold butter until mixture resembles coarse crumbs.
  6. Spread sweet potato mixture evenly in prepared dish. Sprinkle streusel topping evenly over the top.
  7. Bake for 30-35 minutes until filling is set and topping is golden brown. If topping browns too quickly, tent with foil after 20 minutes.
  8. Let cool for 5-10 minutes before serving. Serve warm.

Notes

For best results, toast pecans before using. Use cold butter for streusel. Let casserole rest before serving. Can be assembled ahead and baked just before serving.

Nutrition

Keywords: sweet potato casserole, brown sugar, pecan streusel, Thanksgiving side dish, holiday recipe, easy side dish