If desired, line the bottom of the slow cooker with a piece of foil (or parchment) for any escaping juices.
Wrap each sweet potato in foil and place in the slow cooker. No need to poke holes.
Cover and cook on HIGH for 5 hours or LOW for 8 hours.
Serve with desired toppings.
Can I make these without foil?Yes, you can make these sweet potatoes without foil if needed. Will turn out fine.Can I bake these in the oven?You can place the sweet potatoes (with or without foil) on a baking sheet and cook them in the oven at 350° degrees Fahrenheit for one hour and thirty minutes.Why don't I need to poke holes in my sweet potatoes?Poking holes in sweet potatoes is for microwave cooking. There is little chance that a sweet potato will explode in an oven or slow cooker.Can I make baked sweet potatoes into mashed sweet potatoes?Yes, after the cooking time is done, peel off the skins and discard them. Add the sweet potatoes to a bowl along with, butter, brown sugar, cinnamon, and nutmeg and mash with a potato masher.