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Easy Crockpot Sweet Potato Casserole with Pecan Streusel

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This crockpot sweet potato casserole with pecan streusel is a set-it-and-forget-it side dish that frees up oven space and delivers creamy sweet potatoes with a crunchy, buttery topping. Perfect for holidays, potlucks, or any gathering where you want to impress with minimal effort.

Ingredients

Scale
  • 4 pounds sweet potatoes, peeled and cut into 1-inch cubes (about 6–7 medium)
  • 1/2 cup unsalted butter, melted
  • 1/2 cup packed brown sugar (light or dark)
  • 1/4 cup maple syrup (real maple syrup)
  • 2 large eggs, lightly beaten (room temperature)
  • 1 teaspoon vanilla extract (pure vanilla)
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg (freshly grated if possible)
  • 1/4 teaspoon salt
  • 1 cup chopped pecans (raw pecan halves, chopped)
  • 1/2 cup all-purpose flour (or almond flour for gluten-free)
  • 1/2 cup packed brown sugar (for streusel)
  • 1/4 cup unsalted butter, cold and cut into small cubes
  • 1/2 teaspoon cinnamon (for streusel)
  • Pinch of salt (for streusel)

Instructions

  1. Prep the sweet potatoes: Peel and cut into 1-inch cubes. Place in a 6-quart or larger slow cooker.
  2. Cook the sweet potatoes: Add about 1/4 cup water to the bottom of the crockpot, cover, and cook on high for 3-4 hours or low for 5-6 hours until fork-tender.
  3. Mash the sweet potatoes: Drain any excess liquid, then mash with a hand mixer or potato masher until smooth (leave a few lumps if desired).
  4. Mix in the flavorings: Add melted butter, brown sugar, maple syrup, beaten eggs, vanilla, cinnamon, nutmeg, and salt. Mix until well combined. Taste and adjust seasoning if needed.
  5. Make the streusel topping: In a separate bowl, combine chopped pecans, flour, brown sugar, cinnamon, and salt. Add cold butter cubes and work into the dry ingredients with your fingers or a pastry cutter until the mixture resembles coarse crumbs with pea-sized butter pieces.
  6. Layer and finish cooking: Spread the sweet potato mixture evenly in the crockpot. Sprinkle the pecan streusel evenly over the top. Cover with the lid, placing a clean kitchen towel or paper towel under the lid to absorb condensation. Cook on high for another 30-45 minutes until the streusel is toasted and the casserole is heated through.
  7. Optional broil for extra crunch: If your crockpot insert is oven-safe, carefully transfer it to the oven and broil for 2-3 minutes, watching closely to prevent burning.

Notes

For a vegan version, swap butter with vegan butter or coconut oil and use a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water). For gluten-free, replace all-purpose flour with almond flour. To make ahead, complete steps 1-4 the day before, store in the fridge, then add streusel and finish cooking the next day. If the sweet potato mixture seems too thin after mashing, let it cook uncovered for 15-20 minutes to thicken.

Nutrition

Keywords: crockpot sweet potato casserole, pecan streusel, slow cooker, Thanksgiving side dish, holiday recipe, easy sweet potato casserole

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