Grilled Sweet Potato Wedges Recipe (2024)

Why It Works

  • Roasting the sweet potato wedges indirectly on the grill cooks them through while drawing out moisture from the exterior.
  • Then they're grilled quickly over direct heat, giving the sweet potatoes a light layer of char.

The sweet and creamy innards of the sweet potato are an instant comfort on a cold winter day. Whenever I can, I pair them with roast chickens, fried pork chops, or other meaty, substantial mains I gravitate to during the cold months. My fandom for this orange tuber has yet to really meld with my enthusiasm for grilling, though. Although grilling is no problem during the winter for me—I still plan my weekends around grilling time—I haven't been able to match the intense sweetness and velvety texture of an oven-roasted sweet potato.

I have had some good sweet potato dishes come off the grill, likethis sweet potato and corn salad, but in those cases, the potato itself was just one piece of a larger whole. I figured it was time I sat down and really worked at achieving an ideal grilled sweet potato, stripped down to its barest form. I'm talking about the slightly crisp outside, creamy inside, and rich natural sweetness that I love.

Take 1: The Nuke

Grilled Sweet Potato Wedges Recipe (1)

I started off with the least time-intensive way of cooking potatoes. I've become a big fan of microwaving my russets to jumpstart the cooking process, before ultimately finishing them on the grill. If it works well with one potato, why not another?

I approached the sweet potato just as I would a regular one—by poking holes all over it to avoid a spud explosion. Then I zapped it until inserting a paring knife into the center met with little-to-no resistance. It took a quick seven minutes.

Next, I cut it in half lengthwise, halved those halves, and then split those quarters for a total of eight, relatively even wedges. I brushed 'em with oil, threw on some seasoning, and cooked them over direct heat on the grill until they were browned (actually, more like blackened).

Grilled Sweet Potato Wedges Recipe (2)

From start to finish, these clocked in at around the 20-minute mark, but time saved was poor compensation for the end results. The outsides were flaccid and unappealing, the insides mushy, and they had so little sweetness that the char gave them an overpowering burnt flavor.

Take 2: The Boil

Grilled Sweet Potato Wedges Recipe (3)

I hoped my second shortcut version would fare better. Instead of starting the process with a whole potato, I first cut my wedges and then placed them in a cold pot of salted water. I turned my stove on to medium-high and let the water come to a boil, simmering the potato until it wasjustsoftened throughout—about 10 minutes total. Strained, oil, and seasoned, I grilled them just like the first batch, quickly browning them over direct heat.

This attempt offered an incremental improvement over the microwave—sweeter and less mushy—but there was still no crispness to the exterior. They were far from what I would call an ideal potato, so I kept testing.

Take 3: The Grill and Roast

Grilled Sweet Potato Wedges Recipe (5)

Obviously shortcuts were not going to work here, so I took to the grill and stayed with it, knowing it would take a whole lot longer but not really caring—I was on a mission to make a truly great sweet potato.

I went first with a grill-roast method, starting with raw wedges over direct heat. As with the past two attempts, the exterior cooked incredibly quickly, charring more than browning, and requiring a lot of attention to ensure it didn't outright burn to a crisp. Once they had nice visible grill marks, I moved the wedges over indirect heat, covered the grills, and let them roast until they were soft to their core.

Grilled Sweet Potato Wedges Recipe (6)

After 45 minutes, these sweet potatoes already looked a million times more promising. The outsides had a dry-looking exterior that was wrinkled in spots, similar to the ones that come out of the oven. And one bite confirmed that they were on the mark—silky smooth and super sweet insides, paired with a slightly crisp exterior. I probably would have called it quits here, but I had one more method cooking up simultaneously.

Take 4: The Roast and Grill

Grilled Sweet Potato Wedges Recipe (7)

Reversing the grill-roast method, I roasted this batch over indirect heat until they were cooked through and then finished them over direct heat. Since it had been almost an hour since I'd lit the fire, I thought the reduced heat would fail to deliver sufficient browning. Luckily, I was wrong.

Since the roasting had already drawn a lot of moisture from the exterior of the wedges, this batch browned easily, even over modest heat. And for the first time, they didn't overly char. The more controlled cook over direct heat was certainly a plus here, but could they match the flavor and texture of the grill-roasted ones that I'd thought were pretty close to perfect?

Grilled Sweet Potato Wedges Recipe (8)

The answer was a somewhat mixed yes. The texture was actually richer and creamier than the previous lot, and the outsides were comparable in their crispness. On the other hand, the sweetness was just a notch below the others; with less char, I think the flavor was more straightforward, since it wasn't compromised by burnt spots. In the end, this method won out. Not only did it deliver everything I wanted, but it provided a more controlled grilled experience, making it easiest to replicate.

Spuds and Spice

As much as I was after the sweet potato in its purest form, I do think they only get better with a little seasoning after they're cooked. I like to add a spicy contrast and earthy compliment to the wedges to take them beyond their natural sweetness. The spice mixture I use is composed of equal parts paprika, cumin, and chile powder, with a scant amount of cayenne. It's totally optional, but since I started finishing my sweet potato wedges like this, I've never looked back.

February 2014

Recipe Details

Grilled Sweet Potato Wedges Recipe

Active10 mins

Total50 mins

Serves6to 8 servings

Ingredients

  • 1 teaspoon paprika

  • 1 teaspoon cumin

  • 1 teaspoon chile powder

  • 1/8 teaspoon cayenne pepper

  • 4 medium sweet potatoes, scrubbed and each cut into 8 equal wedges

  • 1/4 cup olive oil

  • Kosher salt and freshly ground black pepper

  • 1 tablespoon chopped fresh parsley leaves

Directions

  1. To Make the Seasoning: Mix together paprika, cumin, chile powder, and cayenne pepper in a small bowl, set aside.

    Grilled Sweet Potato Wedges Recipe (10)

  2. Place potato wedges in a large bowl. Add olive oil and toss to coat evenly. Season with salt and pepper to taste.

  3. Light one chimney full of charcoal. When all charcoal is lit and covered with gray ash, pour out and arrange coals on one side of the charcoal grate. Set cooking grate in place, cover grill and allow to preheat for 5 minutes. Clean and oil grilling grate. Place potatoes on cool side of grill, cover, and let cook until a paring knife can be inserted into middle of wedge with no resistance, about 40 minutes. Move potatoes to hot side of grill and cook until browned on all sides, about 2 minutes per side.

  4. Transfer potatoes to a serving platter and sprinkle with prepared seasoning to taste. Sprinkle with parsley. Serve immediately.

Special Equipment

Grill

Notes

If you're using a gas grill, set half the burners to medium-high heat.

Grilled Sweet Potato Wedges Recipe (2024)

FAQs

Why are my sweet potato wedges not crispy? ›

Don't overcrowd the baking sheet!

This is an important one! If the baking sheet it too crowded, the sweet potatoes will not crisp.

Why do you need to soak sweet potatoes before cooking? ›

TIPS & TRICKS to Make this Recipe: The main secrets to achieving that incredible crispy texture, is to soak the cut sweet potatoes in cold water for at least 30 minutes. This helps remove the starch from the sweet potatoes so they´re not limp & soggy.

Why don t sweet potatoes get crispy? ›

The secret to crispy (instead of soggy) sweet potato fries is to spread them out in an even layer with enough room so that they don't touch. This is especially important if you're making a big batch of fries. Instead of just piling more onto one baking pan, spread them out over two baking pans or cook them in batches.

Why soak sweet potatoes before air frying? ›

If you'd like, you can soak the sweet potato slices for 30 minutes up to 2 hours before frying to remove excess starch.

Can you eat the skin on sweet potato wedges? ›

Sweet potato skins are safe to eat and can be easily added to most recipes. They're rich in fiber, other nutrients, and antioxidants that can help support a healthy gut, increase feelings of fullness, and prevent chronic disease. If you're looking to get the most nutrition out of your sweet potato, keep the peel on.

How do you make potato wedges crispy again? ›

If you're reheating potato wedges that have been stored in the fridge, place them on a baking tray into a very HOT oven and cook until they crisp up again.

What happens if you don't soak potatoes? ›

Soaking potatoes in water helps remove excess starch. Excess starch can inhibit the potatoes from cooking evenly as well as creating a gummy or sticky texture on the outside of your potatoes. Cold water is used because hot water would react with the starch activating it, making it harder to separate from the potatoes.

How long to soak sweet potatoes in water before cooking? ›

Give them a cold water bath: Once your fries are chopped, toss them into a large bowl. Then cover the fries completely with cold water and let them soak for at least 30 minutes (or up to overnight). This will help to rinse off the excess starch and help the potatoes crisp up beautifully in the oven.

Should you rinse sweet potatoes before cooking? ›

Skipping the Scrub-and-Wash Step

Sweet potatoes grow in the ground, and skipping the cleaning step means dirt or grit can end up in your sweet potato casserole. Before cooking or cutting sweet potatoes, wash the skins and give them a scrub with a clean vegetable brush.

What makes sweet potatoes taste better? ›

So if you want a sweet, sweet potato, you have to cook it until it reaches 135–170°F (57–77°C). And you want to keep sweet potatoes in that range for as long as possible. That will maximize how sweet the potatoes taste.

Why does vinegar make potatoes crispy? ›

The acid in the vinegar can also help to slightly break down the surface of the potatoes, aiding in the development of a crispier texture during frying. Additionally, the vinegar can contribute to a golden-brown color on the exterior of the fries.

Why are my roasted sweet potatoes mushy? ›

Use a Large Baking Sheet: crowded pans = steaming vegetables = mushy soggy vegetables. Ensure the sweet potatoes have enough room and are not overlapping to encourage crispy caramelization.

Why are my sweet potato fries still soft? ›

My guess is you aren't blanching the sweet potato fries before you are frying them. In order to get crispy fries, of any type, you need to cook them twice. You begin by either boiling them in water, or frying them at 325, until they are just cooked through, but not so much that they lose their shape.

Why are my wedges soggy? ›

One of my biggest tips to crispy delicious potatoes is to try to get all the excess liquid out of the potatoes before seasoning them. This will ensure the potatoes cook nice and even. If you skip this step, you are likely to end up with soggy potatoes. It's the same thing with making fries in the oven.

How do you keep sweet potatoes from getting soggy? ›

Cut into evenly sized pieces: Cutting the sweet potatoes into evenly sized pieces will help them cook more evenly and prevent soggy centers. Boil or steam: Boiling or steaming the sweet potatoes until they are tender, but not too soft, will help prevent them from becoming soggy.

Why are my potato wedges chewy? ›

Here's the secret to making ultra crispy potato wedges: Soak your raw potato wedges in hot water for 10 minutes before baking. This step releases some of the starch in the potatoes and lets them absorb moisture, which leads to crisp outsides and moist interiors.

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