Grilled potatoes turn out best when you par-cook first, then finish on the grill until the skins blister and the centers go tender.
Barbecue potatoes can be a little rude. High heat browns the outside long before the inside softens, so you end up with charred edges and a stubborn middle. The fix is a two-step cook that gives you control: soften first, brown second.
Below you’ll get the core method, smart cuts, two-zone grill setups, and a recipe card you can run while the rest of dinner cooks. No tricks. Just potatoes that come off the grate with crisp bits and a soft center.
How To Barbecue Potatoes Without Burning Them
Raw potato and direct flame don’t play nice. A short par-cook gets heat into the center, so the grill can spend its time browning and crisping.
Do These Steps In Order
- Cut to one size. Mixed sizes cook at mixed speeds.
- Par-cook. Simmer or microwave until a fork meets mild resistance.
- Let steam escape. A drier surface browns faster and sticks less.
- Oil, then salt. A thin coat helps browning and keeps spices in place.
- Use two heat zones. Brown over direct heat, finish over indirect heat with the lid down.
- Pull on tenderness. A skewer should slide in with light resistance.
Par-Cook Doneness Checks
For wedges and chunks, a fork should go in halfway without forcing it. For small whole potatoes, the outside should feel tender, but the center should still push back a bit. Drain well, then leave the potatoes open to the air for 5–10 minutes.
Pick Potatoes That Grill Well
You can barbecue any potato, but starch level changes texture. Waxy types hold shape. Starchy types turn fluffy and break easier.
Waxy Potatoes For Coins, Cubes, And Skewers
Red potatoes, fingerlings, and many yellow varieties stay together when you toss and flip. They’re a solid choice for baskets and skewers.
Starchy Potatoes For Smashed And Split Potatoes
Russets and other starchy potatoes shine when you want an airy center. They’re also great for smashed potatoes, since the rough surface browns into crunchy bits.
Prep Steps That Make Grill Cooking Even
Potatoes cook from the outside in. Your cut size decides whether the center keeps up.
Cut Sizes That Work
- Coins: 1/2-inch thick
- Planks: 3/8-inch to 1/2-inch
- Cubes: 3/4-inch to 1-inch (basket or skewers)
- Wedges: 6–8 wedges from a medium potato
Two Par-Cook Options
Stovetop simmer: Start in cold salted water, bring to a gentle simmer, then stop when the outside is tender and the center still has a touch of bite. Drain well.
Microwave steam: Put cut potatoes in a microwave-safe bowl with a splash of water. Set a microwave-safe plate on top, cook in short bursts, and stir between rounds. Drain, then let them air-dry.
Seasoning That Browns And Stays Put
Potatoes taste flat without enough salt, and they brown better with a bit of fat. Oil first, salt second, spices last.
Simple Seasoning Ideas
- Smoky: paprika, garlic powder, onion powder, black pepper
- Herby: dried rosemary or thyme, garlic, lemon zest added after grilling
- Spicy: chili powder, cumin, pinch of cayenne, lime juice after grilling
Finish After The Grill
Fresh herbs, lemon juice, and vinegar can scorch over direct heat. Toss them in right after the potatoes come off, while they’re still hot.
Set Up Your Grill For Two Heat Zones
Two-zone cooking gives you a hot side for browning and a cooler side for finishing. It’s the easiest way to avoid burnt edges and firm centers.
Gas Grill Setup
Turn one burner to medium-high and keep the other at low or off. Preheat with the lid closed for 10–15 minutes. Scrub the grates, then oil them with a folded paper towel held by tongs.
Charcoal Grill Setup
Bank the coals on one side and leave the other side clear. Put the lid on and heat the grate. A smaller coal pile gives gentler heat, which is nice for thick wedges.
Target Heat Ranges
A medium to medium-high fire is a friendly range for potatoes. On many grills, that lands near 375–450°F at the grate. If you’re guessing, hold your hand 5 inches above the grate: 3–4 seconds before you pull away feels like medium-high.
Potato Cuts And Methods For The Grill
Use this table to match your cut to the way you want to cook. It’s also handy when you’re cooking a crowd and need different options on the same grill.
| Cut Or Method | Best Use | Timing Notes |
|---|---|---|
| Small whole potatoes | Split and top like baked potatoes | Par-cook; finish over indirect heat, then sear briefly |
| Halved baby potatoes | Crisp cut sides, easy flipping | Par-cook; grill cut-side down first |
| 1/2-inch coins | Fast browning, snackable bites | Light par-cook; cook mostly on direct heat |
| Planks | Big surface area for spices | Short par-cook; move to indirect heat if edges darken |
| Thick wedges | Soft center with bronzed edges | Longer par-cook; finish indirect with lid down |
| Cubes in a grill basket | Toss-and-brown potatoes | Par-cook; shake basket often |
| Foil packet potatoes | Moist texture with seasonings | Raw works, but par-cook shortens packet time |
| Smashed potatoes | Ragged edges that crisp hard | Boil until tender, smash, then grill to brown |
Make-Ahead, Serving, And Leftovers
Grill time feels calmer when the potatoes are halfway done before you light the fire.
Make-Ahead Options
- Par-cook and chill: Par-cook, let steam escape, then refrigerate in a lidded container. Grill within 24 hours for a clean texture.
- Season late: Salt pulls moisture. Seasoning at the last moment helps browning.
Hold And Chill Safely
If cooked potatoes sit out too long, germs can multiply fast. Get them into the fridge within two hours, which is the timing spelled out in FoodSafety.gov’s Two-Hour Rule.
For storage length, USDA guidance on cooked potato storage lists 3–4 days in the refrigerator for cooked potatoes and other cooked vegetables.
Serving Ideas
- Toss hot grilled potatoes with butter and chopped chives.
- Top split whole potatoes with salsa and green onions.
- Serve planks with yogurt, lemon, and dill as a dip.
Recipe Card: Garlic Herb Foil Packet Barbecue Potatoes
Foil packets are handy when the grill is busy with the main dish. The packet traps steam, so the potatoes stay moist. A short finishing step on the grate adds browning.
Garlic Herb Foil Packet Potatoes
Serves: 4
Prep Time: 15 minutes
Cook Time: 15–20 minutes
Total Time: 30–40 minutes
Ingredients
- 1 1/2 pounds baby potatoes, halved
- 2 tablespoons oil
- 1 1/4 teaspoons kosher salt
- 1/2 teaspoon black pepper
- 1 teaspoon garlic powder or 2 minced garlic cloves
- 1 teaspoon smoked paprika
- 2 tablespoons chopped parsley
- 1 tablespoon lemon juice
- 2 tablespoons butter (optional)
Steps
- Par-cook the halved potatoes in simmering salted water for 6–8 minutes. Drain and let them steam-dry in the open air for 5 minutes.
- Tear off two large sheets of heavy-duty foil. Pile the potatoes in the center. Drizzle with oil, salt, pepper, garlic, and paprika. Toss to coat.
- Fold the foil into a sealed packet, leaving a little headspace for steam.
- Set the packet on the indirect-heat side of a preheated grill and close the lid. Cook 12 minutes.
- Carefully open the packet (hot steam). If the potatoes are tender, spread them on the grates over direct heat for 2–4 minutes to brown the cut sides.
- Off heat, toss with parsley, lemon juice, and butter if using. Taste and add a pinch more salt if needed.
Notes
- If you skip par-cooking, expect the packet to take 25–35 minutes, with more uneven tenderness.
- Add sliced onions to the packet if you want a mixed side.
- Use double foil if your coals sit close to the packet.
Timing And Heat Table For Barbecue Potatoes
Use this table as a starting point. Watch color and tenderness, not the minute hand.
| Cut | Heat Zone | Typical Grill Time |
|---|---|---|
| Par-cooked halved baby potatoes | Direct then indirect | 10–14 minutes |
| Par-cooked 1/2-inch coins | Mostly direct | 8–12 minutes |
| Par-cooked planks | Direct, short finish indirect | 9–13 minutes |
| Par-cooked wedges | Direct then indirect, lid down | 14–22 minutes |
| Par-cooked cubes in basket | Direct, shake often | 12–18 minutes |
| Boiled smashed potatoes | Direct | 6–10 minutes |
| Foil packet potatoes (par-cooked) | Indirect | 12–18 minutes |
Two Other Ways To Barbecue Potatoes
If foil packets aren’t your style, these two methods give you direct contact with the grate and more browning.
Grill Planks With A Crisp Outside
Cut potatoes into 3/8-inch to 1/2-inch planks, par-cook for 3–4 minutes, then dry, oil, and season. Grill over direct heat with the lid down, turning often. Slide to indirect heat for a minute if the edges darken early.
Smashed Potatoes With Crunchy Edges
Boil small potatoes until tender. Drain, let steam escape for 10 minutes, then smash each potato into a thick disk. Brush with oil, season well, and grill over direct heat until deep golden on both sides.
Fixes For Common Grill Potato Problems
Even with a solid plan, potatoes can misbehave. These fixes work mid-cook.
Outside Dark, Inside Firm
- Move the potatoes to indirect heat and close the lid for 5 minutes.
- Next time, par-cook a bit longer or cut slightly smaller.
Sticking To The Grate
- Wait for browning. Potatoes release when the crust forms.
- Oil the grate during preheat.
- Use a wide spatula for planks and coins.
Soggy Or Pale Potatoes
- Let them dry longer after par-cooking.
- Don’t crowd a basket or the surface steams instead of browning.
Flat Flavor
- Salt a touch more than you think. Potatoes soak it up.
- Add a finishing hit: lemon juice, vinegar, herbs, or grated cheese.
References & Sources
- FoodSafety.gov.“Leftovers: The Gift that Keeps on Giving”Explains the two-hour rule and the 40–140°F range where germs multiply quickly.
- USDA AskUSDA.“How long can you store cooked potatoes?”Provides a refrigerator storage window for cooked potatoes and other cooked vegetables.

