Grilling sweet potatoes over medium heat caramelizes their natural sugars for a smoky, rich flavor. If you are wondering how to cook sweet potatoes on the grill, you have come to the right place. This guide will walk you through every step, from picking the right potato to serving it hot off the grate.
Sweet potatoes are a fantastic side dish or even a main course. They are healthy, filling, and take on a whole new personality when grilled. The direct heat creates a slightly crispy outside and a soft, sweet inside.
Let us get started. You do not need any special equipment. Just a grill, some oil, and a few basic seasonings.
Why Grill Sweet Potatoes?
Grilling brings out the best in sweet potatoes. The high heat caramelizes the natural sugars. This gives you a deep, almost nutty flavor that you cannot get from baking or boiling.
Plus, it is fast. You can have grilled sweet potatoes ready in under 30 minutes. No need to preheat an oven for an hour.
Another reason is texture. The grill marks add a slight crunch. The inside stays tender and creamy. It is a perfect contrast.
Choosing The Right Sweet Potatoes
Not all sweet potatoes are the same. For grilling, you want firm, medium-sized ones. Look for potatoes that are smooth and free of soft spots or bruises.
Orange-fleshed sweet potatoes are the most common. They are sweet and moist. Purple or white varieties work too, but they are a bit drier.
Try to pick potatoes that are similar in size. This ensures they cook evenly on the grill.
How To Cook Sweet Potatoes On The Grill
Now we get to the main event. This section covers the best method for grilling sweet potatoes. We will use a simple approach that works every time.
Step 1: Prep The Sweet Potatoes
Wash the sweet potatoes well. You can leave the skin on or peel them. The skin adds fiber and gets crispy on the grill.
Cut the potatoes into even pieces. The best shapes are rounds, wedges, or long planks. Aim for pieces about 1/2 inch thick. Thinner pieces cook faster and get crispier.
If you cut them too thick, they will burn on the outside before cooking through. Too thin, and they dry out.
Step 2: Season Generously
Place the cut sweet potatoes in a bowl. Drizzle with olive oil or avocado oil. Use enough to coat each piece lightly.
Add salt and pepper. You can also add garlic powder, smoked paprika, or cumin. Cinnamon and chili powder work well for a sweet-spicy kick.
Toss everything together until the seasoning is even. Let them sit for 5 minutes while the grill heats up.
Step 3: Preheat The Grill
Heat your grill to medium heat. Around 375°F to 400°F is ideal. If the grill is too hot, the sugars will burn before the potato cooks.
If you are using a charcoal grill, wait until the coals are ash-covered. For gas grills, preheat for 10 minutes with the lid closed.
Clean the grates well. A wire brush works best. Then oil the grates with a paper towel dipped in oil. This prevents sticking.
Step 4: Grill The Sweet Potatoes
Place the sweet potato pieces directly on the grates. Leave space between them. Do not overcrowd the grill.
Cook for 4 to 6 minutes per side. Flip them once using tongs. You want nice grill marks and a golden-brown color.
Check for doneness by piercing with a fork. The potato should be tender but not mushy. If they are browning too fast, move them to a cooler part of the grill.
Step 5: Serve Immediately
Remove the sweet potatoes from the grill. Transfer them to a platter. Sprinkle with fresh herbs like parsley or cilantro.
A squeeze of lime juice adds brightness. You can also drizzle with honey or maple syrup for extra sweetness.
Serve hot as a side dish or add them to salads, bowls, or tacos.
Different Methods For Grilling Sweet Potatoes
There is more than one way to grill sweet potatoes. Here are three popular methods. Each gives a different texture and flavor.
Method 1: Grilled Sweet Potato Rounds
This is the simplest method. Cut the potato into 1/2-inch thick rounds. They look like coins.
Season and grill as described above. Rounds cook quickly and are perfect for stacking on burgers or serving as a side.
They also make great appetizers. Top each round with a dollop of sour cream and chives.
Method 2: Grilled Sweet Potato Wedges
Wedges are thicker and take a bit longer. Cut each potato lengthwise into 8 wedges. They have more surface area for caramelization.
Grill wedges over medium heat for 6 to 8 minutes per side. They are great for dipping in aioli or ranch dressing.
Wedges hold up well on the grill. They are less likely to fall through the grates.
Method 3: Foil Packet Sweet Potatoes
This method is foolproof. Cut the sweet potatoes into small cubes. Place them on a large piece of heavy-duty aluminum foil.
Add oil, seasoning, and a pat of butter. Fold the foil into a sealed packet. Leave some space for steam.
Grill the packet over medium heat for 20 to 25 minutes. Shake the packet halfway through. The result is soft, steamed sweet potatoes with a hint of smokiness.
This method is great for camping or when you want less mess.
Seasoning Ideas For Grilled Sweet Potatoes
Sweet potatoes pair well with many flavors. Here are some combinations to try.
- Classic: Salt, pepper, garlic powder, and olive oil
- Spicy: Chili powder, cumin, cayenne, and lime juice
- Sweet: Cinnamon, brown sugar, and a drizzle of honey
- Savory: Smoked paprika, onion powder, and fresh rosemary
- Herby: Dried thyme, oregano, and lemon zest
Do not be afraid to experiment. Sweet potatoes are very forgiving.
Common Mistakes To Avoid
Grilling sweet potatoes is easy, but a few mistakes can ruin them. Here is what to watch out for.
- Cutting pieces unevenly: This leads to some pieces burning while others are raw
- Using too high heat: The sugars burn quickly. Keep it at medium
- Skipping the oil: Oil helps with caramelization and prevents sticking
- Flipping too often: Let the potatoes develop a crust before flipping
- Overcrowding the grill: Steam builds up and prevents browning
Avoid these and you will get perfect results every time.
How To Serve Grilled Sweet Potatoes
Grilled sweet potatoes are versatile. Here are some serving ideas.
- As a side dish with grilled chicken, steak, or fish
- In a grain bowl with quinoa, black beans, and avocado
- On top of a salad with greens, goat cheese, and nuts
- In tacos with black beans, salsa, and crema
- As a snack with a dipping sauce like chipotle mayo
They also reheat well. Store leftovers in the fridge for up to 4 days. Reheat in a skillet or microwave.
Frequently Asked Questions
Can I grill sweet potatoes without oil?
Yes, but they will be drier and more likely to stick. A light coating of oil helps with browning and flavor.
How long does it take to grill sweet potatoes?
It depends on the cut. Rounds take about 8 to 12 minutes total. Wedges take 12 to 16 minutes. Foil packets take 20 to 25 minutes.
Should I boil sweet potatoes before grilling?
No, it is not necessary. Boiling makes them mushy and harder to handle. Grilling raw pieces gives a better texture.
Can I grill sweet potatoes on a gas grill?
Absolutely. Gas grills work perfectly. Just preheat to medium and oil the grates well.
What is the best temperature for grilling sweet potatoes?
Medium heat, around 375°F to 400°F. This caramelizes the sugars without burning them.
Final Tips For Perfect Grilled Sweet Potatoes
Here are a few more pointers to ensure success.
Always preheat your grill thoroughly. A hot grill gives you better sear marks and prevents sticking.
Use a grill basket for smaller pieces. This stops them from falling through the grates.
If you like extra char, leave the potatoes on for an extra minute per side. Watch them closely so they do not burn.
Season after grilling too. A sprinkle of flaky sea salt or a dash of vinegar can brighten the flavor.
Grilled sweet potatoes are a crowd-pleaser. They are simple, healthy, and delicious. Once you try them, you will never go back to plain baked potatoes.
Now you know exactly how to cook sweet potatoes on the grill. Fire up your grill and give it a try. Your taste buds will thank you.