Grilled sweet potatoes bring smoky edges, tender centers, and natural sweetness to the table for an easy summer side dish.
If you want grilled sweet potatoes that come off hot, smoky, caramelized at edges, tender in center, and flavorful enough to make everyone forget fries exist for a minute, this recipe is going to be your new grilling-season favorite!
Sweet potatoes already bring natural sweetness, but once they hit a hot grill, their edges char slightly, their centers turn creamy, and that smoky lime butter slides into every little golden ridge like it was invited to dinner and showed up dressed correctly.
Ingredients
For Sweet Potatoes:
- 2 pounds sweet potatoes, about 3 medium-large potatoes
- 2 tablespoons olive oil
- 1 teaspoon kosher salt
- 1 teaspoon smoked paprika
- 3/4 teaspoon garlic powder
- 1/2 teaspoon ground cumin
- 1/4 teaspoon black pepper
- 1/4 teaspoon chili powder, optional but lovely if you like a little kick
- 1 tablespoon fresh lime juice
For Smoky Lime Butter:
- 2 tablespoons unsalted butter, melted
- 1 tablespoon honey or maple syrup
- 1 tablespoon fresh lime juice
- 1 teaspoon lime zest
- 1 tablespoon chopped fresh cilantro or parsley
- Pinch of salt
Optional Finishing Toppings:
- Extra lime wedges
- Crumbled feta or cotija
- Toasted pumpkin seeds
- Thinly sliced scallions
- A small pinch of flaky salt
4 servings
How to Make Grilled Sweet Potatoes
Scrub sweet potatoes very well because we are keeping skin on for texture, color, and that slightly earthy bite that makes grilled vegetables taste more interesting.
Slice each potato into wedges about 1/2 inch thick, trying to keep pieces similar in size so they cook evenly instead of giving you one soft wedge, one crunchy wedge, and one mystery object pretending to be dinner.
Bring a large pot of salted water to a gentle boil, add sweet potato wedges, and cook them for 7 to 9 minutes, just until they are barely fork-tender but not falling apart.
You want fork to slide in with a little resistance, because they still need to survive grill grates without collapsing like they had a long week.
Drain wedges carefully, then spread them on a clean towel or sheet pan for 5 minutes so steam can escape, because dry surfaces grill better than wet ones.
This tiny pause is exactly how you get those gorgeous browned edges instead of sad steamed potatoes with grill lines pretending to be personality.
Add olive oil, salt, smoked paprika, garlic powder, cumin, black pepper, chili powder if using, and 1 tablespoon lime juice to a large bowl.
Then gently toss sweet potato wedges until every piece looks glossy and lightly coated, using your hands if needed because sweet potatoes are delicate after par-cooking and a spoon can bully them more than necessary.
Preheat grill to medium-high, about 400°F to 425°F, and oil grates lightly before adding potatoes, because sweet potatoes have natural sugars that caramelize fast and nobody wants to scrape their side dish off grill like a crime scene.
Place wedges directly on grill in a single layer, leaving a little space between each piece so heat can move around them.
Then grill for 4 to 5 minutes on first side without fussing too much; when they release easily and have dark golden grill marks.
Turn them with tongs and grill other side for another 4 to 5 minutes until edges look caramelized, centers feel tender, and kitchen air starts smelling smoky, sweet, and slightly buttery even before butter joins party!
While potatoes grill, stir melted butter, honey or maple syrup, lime juice, lime zest, chopped herbs, and a pinch of salt in a small bowl.
Then taste it and make one tiny cook’s decision: add more lime if you want it brighter, more honey if your potatoes are less sweet, or more salt if flavor feels shy.
Transfer hot grilled sweet potatoes to a serving platter, brush smoky lime butter over them while they are still warm so it melts into every charred edge.
Finish with extra herbs, a squeeze of lime, and optional feta, cotija, pumpkin seeds, or scallions if you want a little extra color and crunch!
How to Know They Are Done
Grilled sweet potatoes are ready when they bend slightly without breaking, centers feel tender when pierced with a fork, and edges have dark golden spots with light char.
If they look too pale, give them another minute per side.
If they are browning too fast before centers soften, move them to a cooler side of grill and close lid for 2 to 3 minutes.
That is also why par-cooking matters so much! It gives you a creamy center before grill does its smoky, caramelized magic, so you are not standing outside poking potatoes for twenty minutes while everyone casually asks, “Are they ready yet?” like that helps.
Serving Suggestions
Serve these grilled sweet potatoes with grilled chicken, burgers, steak, salmon, shrimp skewers, black bean tacos, turkey burgers, BBQ tofu, or a big summer salad.
They are also amazing tucked into grain bowls with avocado, black beans, corn, pickled onions, and a spoonful of Greek yogurt or chipotle mayo.
For a party platter, pile them on a large plate, drizzle with extra smoky lime butter, scatter feta and herbs over top, and place lime wedges around edges so people can squeeze more brightness on their own.
This makes them look restaurant-level without requiring you to act calm while hosting!
These grilled sweet potatoes are smoky, buttery, tangy, tender, and full of those caramelized little edges that make a simple side dish taste like it had a full personality makeover.
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