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Crockpot Sweet Potato Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.2 from 9 reviews
  • Author: Sue
  • Prep Time: 15 minutes
  • Cook Time: 4 hours 10 minutes
  • Total Time: 4 hours 25 minutes
  • Yield: 8 servings
  • Category: Side Dish
  • Method: Slow Cooking
  • Cuisine: American

Description

This Crockpot Sweet Potato Casserole is a comforting and easy-to-make side dish featuring tender sweet potatoes coated in a spiced brown sugar butter mixture, slow-cooked to perfection, then topped with gooey mini marshmallows and crunchy pecans. Ideal for holiday meals or cozy family dinners.


Ingredients

Main Ingredients

  • Cooking spray (as needed)
  • 4 lb. sweet potatoes, peeled and chopped into medium cubes
  • 4 tbsp. melted butter
  • 2 cups packed brown sugar
  • 1 tsp. ground cinnamon
  • 1/2 tsp. pure vanilla extract
  • 1/4 tsp. ground nutmeg (optional)
  • Pinch kosher salt
  • 1 1/2 cups mini marshmallows
  • 1/2 cup whole pecans


Instructions

  1. Prepare the Crockpot: Spray the slow cooker bowl evenly with cooking spray to prevent sticking, then add the peeled and cubed sweet potatoes into the bowl in an even layer.
  2. Mix the Flavoring Sauce: In a medium bowl, whisk together melted butter, packed brown sugar, ground cinnamon, vanilla extract, optional nutmeg, and a pinch of kosher salt until fully combined to create a sweet and spiced coating for the sweet potatoes.
  3. Coat the Sweet Potatoes: Pour the butter and sugar mixture over the sweet potatoes in the crockpot. Use a spoon or spatula to toss the sweet potatoes gently until they are evenly coated with the seasoning mixture.
  4. Cook the Sweet Potatoes: Cover the crockpot and cook on high heat for 4 hours. Stir the sweet potatoes every hour to ensure even cooking and coating.
  5. Add Toppings: After 4 hours, remove the lid and evenly sprinkle the mini marshmallows and whole pecans over the sweet potatoes.
  6. Final Cooking: Cover the crockpot again and continue cooking on high for about 10 more minutes or until the marshmallows have melted and are slightly golden.
  7. Serve: Once melted and bubbly, the casserole is ready to be served hot as a delicious side dish.

Notes

  • You can omit the nutmeg if you prefer a less spiced flavor.
  • Stirring the casserole every hour helps prevent burning and ensures even flavor distribution.
  • For a crunchier topping, toast the pecans separately before adding.
  • Leftovers can be refrigerated and reheated gently in the microwave or crockpot.