Baked Sweet Potato on Grill Recipe: Charred-Edge Sweetness With Gooey Caramelized Centers

This baked sweet potato on grill recipe transforms humble sweet potatoes into restaurant-worthy dessert with just 15 minutes of hands-on time. 🔥 The secret lies in high-heat grilling—achieving that perfect charred exterior while keeping the insides gooey and caramelized, like a cross between a grilled potato and a smoky casserole.

I perfected this technique after years of experimenting with grill desserts, and it never fails to impress. What sets this method apart is the two-step process: first, scoring the sweet potatoes to prevent bursting, then grilling them cut-side down on a preheated grill until tender.

The grill's direct heat creates those deep caramelized flavors and crispy edges that oven baking can't match, while the interior remains creamy and sweet. This is the kind of dessert that feels indulgent but comes together with minimal effort.

By the time you're done, you'll have perfectly grilled sweet potatoes with a smoky char and tender centers that practically melt in your mouth. The natural sweetness intensifies with grilling, making them even more satisfying than oven-baked versions.

Top with butter, cinnamon, or a sprinkle of chili-lime for extra depth—every bite is a balance of smoky, sweet, and savory. Whether you're grilling outdoors or using an indoor grill pan, this method delivers restaurant-quality results with no special equipment.

The key is patience and attention to internal temperature—200°F is your target for that ideal texture. Let's get started!

Ingredients for baked sweet potato on grill

Eight simple ingredients transform ordinary sweet potatoes into smoky, charred grill masterpieces.

The sweet potatoes are the star—pick uniformly sized ones for even cooking. Organic or heirloom varieties from Trader Joe's or Whole Foods have richer flavor, but regular supermarket sweet potatoes work fine. Look for firm, heavy ones with smooth skin—no soft spots or cracks. The scoring technique (cutting an 'X' on the top) is non-negotiable; it keeps them from bursting open on the grill. Pro tip: Preheat your grill to 450°F—this high heat is what creates those coveted charred edges while keeping the insides creamy. I always test my grill temperature with an instant-read thermometer to ensure accuracy.

No fresh lime? Substitute bottled lime juice, but fresh is always better. Running short on butter? Coconut oil works too—just use the same amount. The chili-lime seasoning can be swapped for a mix of smoked paprika and lime zest if you're in a pinch. For extra caramelization, brush the cut sides with a mix of olive oil and brown sugar before grilling. The cayenne is optional but adds that perfect smoky kick—skip it if you prefer a sweeter profile. If your grill lacks direct heat zones, use a grill pan on the stovetop over medium-high heat instead.

Sweet potatoes keep 3-4 days in the pantry, but grill them within 24 hours of cutting for best texture. Store any leftovers wrapped in foil in the fridge. The charred edges soften quickly, so reheat them directly on the grill for 2-3 minutes to restore crispiness. For meal prep, grill a batch and store them in the freezer for up to 3 months—just thaw and reheat on the grill. The butter topping can be added fresh or stored separately to prevent sogginess. These reheat beautifully, making them perfect for quick weeknight desserts.

Step-by-step instructions for grilled sweet potatoes with caramelized crust

Here's how to transform simple sweet potatoes into smoky, caramelized masterpieces with crisp edges.

Start by preheating your grill to medium-high heat—you want those sweet potatoes to get some serious char. While it heats, scrub the 4 whole medium sweet potatoes clean with a vegetable brush under cool water. This removes any dirt that could burn and ruin your perfect crust.

Use a sharp paring knife to poke 4-5 small holes in the top of each potato. This prevents them from bursting when they hit the grill. Now for the seasoning: in a small bowl, mix together the 1 tbsp dark brown sugar, 1 tsp ground cinnamon, 0.25 tsp cayenne pepper, and 1 tsp fresh chili-lime seasoning. Rub this generously all over each potato, pressing the mixture into the skin so it sticks. The sugar will caramelize beautifully on the grill, while the spices create that perfect balance of warmth and zing.

Place the seasoned sweet potatoes directly on the grill grates. Close the lid and let them cook for 20-25 minutes, turning every 5 minutes with tongs to ensure even charring on all sides. You're aiming for deep golden-brown skin with visible grill marks—this is what gives them that restaurant-quality look.

Here's where it gets tricky: the sweet potatoes are done when you can easily pierce the skin with a sharp knife and the flesh inside feels tender but still holds its shape. If you cut into one and the inside looks underdone, return them to the grill for another 5 minutes. Overcooking turns them dry, so watch carefully. The key is that perfect balance between crispy exterior and creamy interior.

While the sweet potatoes are grilling, prepare the butter glaze. In a small saucepan over low heat, melt the 4 tbsp unsalted butter with the 1 tbsp honey and 1 tbsp extra-virgin olive oil. Stir gently until the butter is completely melted and the mixture is smooth—this should take about 2-3 minutes. Remove from heat and stir in the juice of the 1 whole fresh lime.

Here's the thing—this glaze needs to be hot when you brush it on, but not boiling. If it's too hot, the butter will burn the skin. Let it cool for 1 minute after removing from heat, then give it a final taste and adjust seasoning with a pinch more salt if needed. The lime juice brightens everything up and cuts through the richness of the butter.

Once your sweet potatoes are perfectly charred and tender, transfer them to a cutting board. Using a sharp knife, carefully slice each potato lengthwise—this makes them easier to serve and reveals that gorgeous caramelized interior. Immediately after slicing, brush each half generously with the warm butter glaze. The heat from the potatoes will make the butter melt instantly into a luscious, gooey coating.

Finish with a sprinkle of 1 tsp flaky sea salt right before serving. The salt enhances all the flavors and gives that final restaurant-quality touch. Serve immediately while the butter is still warm and gooey—this is when they taste absolutely perfect. The contrast of crispy edges, creamy centers, and that sweet-spicy-salty glaze makes every bite unforgettable.

Perfect pairings for this dish

Sweet Cream Pairings

Warm vanilla ice cream is my go-to pairing—its cool creaminess balances the smoky char perfectly. I like to serve it in small scoops alongside the grilled sweet potatoes so guests can mix the flavors.

For a Southern twist, try homemade sweet potato pie filling warmed slightly and spooned over the top. The cinnamon notes in both complement each other beautifully. 🍦

Spiced Yogurt Drizzle

Greek yogurt mixed with 1 tsp honey, ½ tsp ground cinnamon, and a pinch of cayenne makes an elegant drizzle. The tangy yogurt cuts through the richness while adding a creamy texture.

I drizzle it over the sliced sweet potatoes just before serving for that restaurant-quality finish. For extra flair, garnish with toasted pecans or pumpkin seeds for crunch. 🥄

Coffee & Whiskey Pairings

For an adult twist, serve with a dark roast coffee—the bitterness contrasts the sweetness wonderfully. I recommend a cold brew with a splash of bourbon for a sophisticated pairing.

If you prefer whiskey, try a smoky Scotch like Glenmorangie or a bourbon like Maker's Mark. The caramel notes in the whiskey mirror the grilled sweet potatoes' natural sweetness. 🥃

Fresh Fruit Contrast

Add sliced pear or apple to the plate for a fresh, crisp contrast. The acidity in the fruit brightens the smoky flavors. I also love grilled pineapple—its caramelized edges pair surprisingly well with the sweet potatoes.

For a tropical touch, serve with mango salsa made from diced mango, lime juice, and cilantro. 🍍

Cheese & Charcuterie

Create a mini charcuterie board with aged cheddar, brie, and smoked gouda. The salty, creamy cheeses complement the sweetness perfectly. Add prosciutto or salami for a savory contrast.

I often serve this alongside the grilled sweet potatoes for a balanced, shareable spread. The textures and flavors create a harmonious bite. 🧀

Frequently asked questions