Crispy Foil-Grilled Potatoes with Garlic and Herbs

This foil-pack potato recipe is one of my favorite sides. It uses common ingredients and takes very little hands-on time. You can switch up seasonings or add vegetables and protein to make it your own.

Toss the foil packets on the BBQ or bake them in the oven for tender, flavorful potatoes with almost no cleanup. Combine sliced potatoes, onion, butter (or oil), and seasonings in foil, seal, and cook until fork-tender.

Why This Recipe Works

Foil-pack potatoes cook evenly and stay moist while developing great flavor from butter and onion. They require minimal prep and very little cleanup, making them ideal for weeknight dinners or cookouts. The method is versatile: add different herbs, spices, vegetables, or protein to suit your meal.

Ingredients

See the recipe card below for exact quantities, but the basic ingredients are: Russet potatoes (or your favorite variety), one onion, butter (or olive oil), salt, and pepper.

Additions and Variation Ideas

• Vegetables: Add sliced bell peppers, carrots, mushrooms, or zucchini for extra color and flavor.
• Meat: Include smoked sausage, diced ham, chopped bacon, or cooked Italian sausage to turn this into a complete meal.
• Seasoning: Try garlic powder, ranch mix, Italian seasoning, red pepper flakes, cayenne, or fresh herbs like rosemary and thyme.
• Potato Types: Russets work well, but Yukon Gold or red potatoes are excellent alternatives and change the texture slightly.

How to Make Foil Pack Potatoes on Grill

• Step 1: Peel the potatoes and slice into 1/4-inch thick rounds.
• Step 2: Peel and thinly slice the onion.
• Step 3: Lay out heavy-duty foil and lightly spray or brush with nonstick spray or oil. Use one sheet per packet.
• Step 4: Layer the potato and onion slices on the foil. Season each packet with about 1/4 tsp salt and 1/4 tsp pepper (adjust to taste) and top with 1 tablespoon of butter or a drizzle of olive oil.
• Step 5: Fold the foil over and seal each packet tightly so steam stays inside.
• Step 6: Grill over medium-high heat for 30–40 minutes, or until potatoes are fork-tender. Check after 15–20 minutes to ensure they aren’t overcooking.
• Step 7: Remove from heat, open packets carefully (steam will be hot), and serve.

Expert Tips

• Use heavy-duty foil: It prevents breaks and keeps juices contained while cooking.
• Be cautious opening packets: Hot steam escapes when unsealed—use tongs and open away from your face.
• Cut evenly: Slice potatoes to the same thickness so they finish cooking at the same time.
• Serve right away: Potatoes are best fresh from the grill.
• Oil option: Substitute olive oil for butter if you prefer; toss potatoes in oil and seasoning before sealing.
• Pre-mix seasonings: Toss potatoes with seasoning in a bowl for more even coating before placing in foil.

What Temperature Should I Grill Potatoes in Foil?

Grill foil packets over medium-high heat for best results. Place packets directly on the grill grates for even cooking and good steam circulation inside the packet.

How Long to Grill Potatoes in Foil

Plan on 30–40 minutes on medium-high heat. Exact time depends on potato thickness and grill temperature, so test with a fork for doneness.

Serving Suggestions

These potatoes make a great grilled side for steaks, burgers, chicken, or fish. They pair well with grilled tomahawk steak, juicy burgers, or smoky chicken wings for a complete outdoor meal.

Topping Ideas

Finish the potatoes with any of these tasty toppings:

• Parmesan or shredded cheese
• Sour cream
• Chives or green onions
• Sliced jalapeños
• Bacon bits
• Salsa

No. For this foil-pack method, simply peel and slice the potatoes evenly and grill in sealed foil packets. They should be tender after about 30–40 minutes.

Bake foil packets at 375°F (190°C) for 40–45 minutes, or until potatoes are cooked through. This is ideal when the grill is full or the weather is poor.

Russet potatoes were used in this recipe, but red or Yukon Gold potatoes work well too. Different varieties will slightly change the texture.

Refrigerate leftovers in an airtight container for up to five days. They reheat easily in the microwave or oven and remain tasty.

Grilled Potatoes in Foil