There are some side dishes that feel like they belong to special occasions. Candied sweet potatoes, with their glossy brown sugar glaze and tender, buttery interior, are one of them. They show up on Thanksgiving tables, Christmas buffets, and Easter spreads. They are nostalgic, comforting, and deeply loved.
But traditional candied sweet potatoes require attention. You have to peel and slice, boil or bake, then watch the pot on the stove as the sugar mixture reduces into a glaze. This slow cooker version changes all of that. With just three ingredients and almost no work, you can create candied sweet potatoes that are every bit as delicious as the stovetop version—maybe even more so.
The sweet potatoes cook low and slow until they are impossibly tender. The brown sugar and butter melt together into a rich, thick, caramel-like syrup that coats every surface. The result is a side dish that tastes like it took hours of careful attention but actually required about five minutes of prep. It is perfect for holidays when oven space is at a premium, for busy weeknights when you want something special, or for any time you crave that sweet, buttery, comforting flavor.
Why You’ll Love This Recipe
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Only 3 simple ingredients
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Set-it-and-forget-it slow cooker convenience
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Frees up oven space during holiday cooking
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Sweet, buttery, tender, and absolutely delicious
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Whole sweet potatoes look beautiful on the plate
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Great for meal prep and feeding a crowd
3-Ingredient Slow Cooker Candied Sweets
Prep Time: 10 minutes | Cook Time: 5-6 hours on LOW or 2.5-3 hours on HIGH | Total Time:Approximately 5-6 hours
Yield: 6 servings
Ingredients
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3 pounds fresh sweet potatoes, peeled and left whole (small to medium size works best)
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1 cup packed light or dark brown sugar
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½ cup (1 stick) unsalted butter, cut into pieces
Instructions
1. Prepare the Sweet Potatoes:
Peel the sweet potatoes and leave them whole. If any are very large, trim the ends or cut them in half crosswise so they fit in the slow cooker, but aim to keep them as large, intact pieces.
2. Arrange in the Slow Cooker:
Arrange the peeled whole sweet potatoes in a single snug layer in the bottom of a 5- to 6-quart slow cooker. The potatoes should be touching but not crammed so tightly that the lid will not close.
3. Add the Brown Sugar:
Sprinkle the brown sugar evenly over the tops of the sweet potatoes, letting some fall down around the sides so it reaches the bottom of the slow cooker.
4. Add the Butter:
Dot the butter pieces evenly over the brown sugar and sweet potatoes, distributing them across the surface so they melt down into a syrup as they cook.
5. Cook:
Cover the slow cooker with the lid. Cook on LOW for 5 to 6 hours, or on HIGH for 2½ to 3 hours, until the sweet potatoes are very tender when pierced with a fork and the brown sugar and butter have formed a thick, glossy syrup.
6. Baste and Rest:
Once tender, carefully spoon some of the syrup from the bottom of the slow cooker over the tops of the sweet potatoes. Let them sit on WARM for 10 to 15 minutes to allow the syrup to cling a bit more, if time allows.
7. Serve:
Serve the sweet potatoes whole or sliced, spooning plenty of the warm syrup over each portion. Turn the slow cooker to WARM if serving over a longer period, and keep the lid mostly on to prevent the syrup from drying out.
Recipe Notes & Pro Tips
Choosing the Right Sweet Potatoes: Small to medium sweet potatoes work best because they cook more evenly and fit better in the slow cooker. Look for potatoes that are similar in size so they finish cooking at the same time. If you can only find large sweet potatoes, cut them into 2-3 large chunks rather than leaving them whole.
Peeling is Recommended: Leaving the skin on is possible, but the skin becomes tough and chewy during the long cooking time. For the best texture and appearance, peel the sweet potatoes before cooking.
Light vs. Dark Brown Sugar: Light brown sugar produces a milder, more butterscotch-like flavor. Dark brown sugar has a higher molasses content, resulting in a deeper, more caramel-like flavor with hints of toffee. Both work beautifully; choose based on your preference.
Do Not Add Liquid: The sweet potatoes release their own moisture as they cook. Combined with the melted butter, this creates plenty of liquid for the syrup. Adding water or other liquid will result in a thinner, less flavorful glaze.
Whole Sweet Potatoes Look Beautiful:Serving the sweet potatoes whole, with the syrup spooned over the top, creates an elegant, visually appealing presentation. For a more traditional look, slice the cooked sweet potatoes into ½-inch rounds before arranging on a platter and drizzling with syrup.
Thicker Syrup: If you prefer a thicker, stickier glaze, remove the sweet potatoes from the slow cooker after cooking. Pour the syrup into a small saucepan and simmer over medium-high heat for 5-10 minutes until reduced to your desired consistency. Return the syrup to the slow cooker and coat the potatoes.
Variations
Cinnamon Candied Sweets: Add 1 teaspoon of ground cinnamon to the slow cooker along with the brown sugar. For even more warmth, add ¼ teaspoon of ground nutmeg and ¼ teaspoon of ground ginger.
Vanilla Candied Sweets: Stir 1 tablespoon of pure vanilla extract into the syrup during the last 30 minutes of cooking. The vanilla adds a lovely floral sweetness.
Maple Candied Sweets: Replace ¼ cup of the brown sugar with ¼ cup of pure maple syrup. The maple adds a deeper, more complex sweetness.
Spiced Candied Sweets: Add 1 cinnamon stick, 3 whole cloves, and 1 star anise to the slow cooker before cooking. Remove the whole spices before serving. The infusion of warm baking spices elevates the dish beautifully.
Orange Candied Sweets: Add the zest of 1 orange and 2 tablespoons of orange juice to the slow cooker. The citrus brightness cuts through the sweetness and complements the sweet potatoes perfectly.
Pecan Topping: After cooking, sprinkle ½ cup of toasted chopped pecans over the sweet potatoes and drizzle with additional syrup. The crunch adds wonderful texture.
Serving Suggestions
These candied sweet potatoes are a classic holiday side dish, but they work well year-round:
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Thanksgiving or Christmas dinner (alongside turkey, ham, or roast beef)
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Easter brunch or dinner
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Sunday supper with roasted chicken or pork
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A sweet side dish for weeknight meals
They pair beautifully with:
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Roasted turkey or chicken
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Baked ham
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Meatloaf
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Grilled pork chops
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Any fall or winter meal
Storage & Reheating
Store leftovers in an airtight container in the refrigerator for up to 5 days. The sweet potatoes will become softer as they sit, and the syrup will thicken.
To reheat, place the sweet potatoes and syrup in a covered baking dish and warm in a 350°F oven for 15-20 minutes. You can also reheat individual portions in the microwave. Add a splash of water or orange juice if the syrup has become too thick.
These sweet potatoes do not freeze well, as the texture becomes watery upon thawing.
Why This Recipe Works
The slow cooker is ideal for candied sweet potatoes because it provides gentle, consistent heat over many hours. This allows the natural sugars in the sweet potatoes to slowly caramelize while the added brown sugar and butter melt into a rich syrup. Unlike the stovetop, where high heat can scorch the sugar, the slow cooker creates a perfect environment for developing deep, complex sweetness without burning.
The whole sweet potatoes cook in their own steam, becoming incredibly tender and moist. The brown sugar and butter melt and pool around them, gradually reducing into a thick, glossy glaze that clings to every surface. The result is a side dish that is simultaneously sweet, buttery, and deeply satisfying.
This is the kind of recipe that earns a permanent place in your holiday rotation. It is almost impossible to mess up, requires almost no active time, and produces results that look and taste like you spent hours in the kitchen. That is the magic of slow cooking—and these candied sweets are proof.