These slow cooker 4-ingredient brown sugar sweet potatoes are the kind of holiday side that quietly steals the show. My aunt made them every Thanksgiving, and her “secret” was how little fuss they required: just a few pantry staples, tossed into the slow cooker and left alone until the sweet potatoes turn silky and tender. The brown sugar and butter melt down into a glossy, caramel-like glaze, while a touch of vanilla pulls it all together. It’s a very Midwestern approach—simple ingredients, big comfort, and a house that smells like dessert long before dinner hits the table.
Serve these sweet potatoes straight from the slow cooker to keep them warm on a buffet or holiday table. They pair beautifully with roasted turkey, ham, or pork loin, and balance out savory sides like green beans, stuffing, and roasted Brussels sprouts. For a more casual meal, spoon them alongside roast chicken or grilled sausages. If you have leftovers, they’re excellent reheated with a sprinkle of toasted pecans, or even mashed lightly and served under a runny egg for a sweet-savory brunch.
Slow Cooker Brown Sugar Sweet Potatoes
Servings: 6

Ingredients
3 pounds sweet potatoes, peeled and cut into 1 1/2-inch chunks
1 cup packed light or dark brown sugar
1/2 cup (1 stick) unsalted butter, cut into pieces
2 teaspoons pure vanilla extract
Directions
Lightly coat the inside of a 4- to 6-quart slow cooker with cooking spray or a thin film of butter to help prevent sticking.
Add the sweet potato chunks to the slow cooker, spreading them into an even layer so they cook uniformly.
Sprinkle the brown sugar evenly over the sweet potatoes, making sure most pieces get a light coating.
Dot the top with the butter pieces, distributing them across the surface so they melt down into all the gaps.
Drizzle the vanilla extract over everything. There’s no need to stir at this point; the heat and steam will help the flavors mingle.
Cover the slow cooker with the lid and cook on LOW for 4 to 5 hours, or on HIGH for 2 to 3 hours, until the sweet potatoes are very tender when pierced with a fork.
Once the sweet potatoes are tender, gently stir from the bottom up to coat all the pieces in the glossy brown sugar-butter glaze. Some pieces may break a bit—that’s fine and helps thicken the sauce.
Taste and adjust if needed: if you prefer them sweeter, you can sprinkle on a bit more brown sugar while the potatoes are still hot and stir again until it melts.
Turn the slow cooker to WARM for serving. Just before bringing to the table, give the sweet potatoes a final gentle stir to redistribute the glaze and any melted butter pools on top.
Serve directly from the slow cooker or transfer to a warm serving dish, spooning extra sauce over the top so the potatoes glisten.
Variations & Tips
For a slightly less sweet version, reduce the brown sugar to 3/4 cup; the natural sweetness of the potatoes will still shine through. If you like a hint of spice, add 1 teaspoon ground cinnamon and a pinch of nutmeg or ginger along with the vanilla (this technically adds ingredients, but the base recipe remains the same). For a salted caramel effect, sprinkle a small pinch of flaky sea salt over the finished dish right before serving. To add texture, top the hot sweet potatoes with a handful of toasted pecans or walnuts. If you’re cooking ahead, you can peel and cut the sweet potatoes up to a day in advance and store them in cold water in the refrigerator, then drain well before adding to the slow cooker. Leftovers reheat well in the microwave or on the stovetop with a splash of water; you can mash them to create an ultra-smooth side dish or even use them as a base for sweet potato pancakes the next morning.