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Easy Crockpot Sweet Potato Casserole with Pecan Topping

A close-up serving of rich, orange crockpot sweet potato casserole topped generously with crunchy pecans and streusel.

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Free up your oven space this holiday season with this creamy, comforting Crockpot Sweet Potato Casserole. This recipe uses simple ingredients to deliver rich, spiced sweet potatoes topped with a buttery, crunchy pecan crumble. It is a perfect make-ahead holiday side dish.

Ingredients

Scale
  • 3 (15-ounce) cans sweet potatoes or yams, drained
  • 1 cup granulated sugar
  • 1/2 cup (1 stick) unsalted butter, melted
  • 2 large eggs, lightly beaten
  • 1/2 cup milk
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 1 cup packed light brown sugar (for topping)
  • 1/3 cup all-purpose flour (for topping)
  • 1/2 cup (1 stick) cold unsalted butter, cut into small pieces (for topping)
  • 1 cup chopped pecans (for topping)
  • 1 cup miniature marshmallows (optional topping)

Instructions

  1. Lightly grease the inside of your slow cooker insert.
  2. In a large bowl, combine the drained sweet potatoes, granulated sugar, 1/2 cup melted butter, eggs, milk, vanilla extract, cinnamon, nutmeg, and salt. Mix until smooth and well combined. You can use a hand mixer for a creamier texture.
  3. Transfer the sweet potato mixture into the prepared slow cooker. Spread it evenly.
  4. In a separate small bowl, prepare the pecan topping. Combine the brown sugar and flour. Cut in the 1/2 cup cold butter using a pastry blender or your fingers until the mixture resembles coarse crumbs. Stir in the chopped pecans.
  5. Sprinkle the pecan mixture evenly over the sweet potato base in the slow cooker.
  6. Cover the slow cooker and cook on LOW for 3 to 4 hours or on HIGH for 1.5 to 2 hours, until the casserole is heated through and the topping is lightly browned.
  7. If you are using marshmallows, sprinkle them evenly over the top during the last 15 minutes of cooking time on the LOW setting. Cover until the marshmallows are melted and slightly golden.
  8. Serve the crockpot sweet potato casserole directly from the slow cooker.

Notes

  • If you prefer a marshmallow topping instead of pecans, skip the pecan topping ingredients and simply sprinkle 1 cup of miniature marshmallows over the sweet potato base during the last 15 minutes of cooking.
  • To make this a make-ahead holiday side, prepare the sweet potato base and the pecan topping separately. Store both covered in the refrigerator for up to 2 days. Assemble and cook when ready.
  • You can substitute canned yams for sweet potatoes; the flavor profile will be slightly sweeter.

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