1. Prep the Foil Packets
Tear 4 large sheets of heavy-duty foil (or double-layer regular foil). Lightly spray or butter the center of each sheet.
2. Layer the Potatoes and Leeks
Divide the potato slices evenly onto each foil sheet, arranging them slightly overlapping. Scatter the sliced leeks on top.
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3. Season and Add Herbs
Sprinkle the potatoes and leeks with garlic, herbs, salt, and pepper. Add a few small pieces of butter to each packet.
4. Add Cream and Cheese
Pour a few tablespoons of cream over each portion. Top with a generous handful of shredded cheese.
5. Seal the Packets
Fold the foil tightly to create well-sealed packets. Make sure there’s a bit of air space inside for steaming.
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6. Cook
To grill:
Place packets over medium heat for 20–25 minutes, flipping once halfway through.
To bake (oven):
Bake at 400°F (200°C) for 25–30 minutes, or until potatoes are tender.
To cook over a campfire:
Place packets on hot coals for 20–35 minutes, rotating occasionally.
7. Serve
Open packets carefully—steam will be hot! Add extra herbs or cheese if desired.
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Serving Suggestions
These creamy, herb-forward foil packets pair wonderfully with:
Grilled chicken, steak, or pork chops
Salmon or trout
Roasted vegetables
Green salads with vinaigrette
Holiday mains like ham or roast beef
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They work beautifully as a standalone vegetarian entrée, too—just add a side of crusty bread or grilled veggies.
Tips for Perfect Foil Packet Potatoes
Slice potatoes thinly and evenly so they cook uniformly
Use heavy-duty foil to prevent tearing or leaks
Add more cream if you like a saucier gratin
Swap herbs—dill, sage, or basil also shine
Try different cheeses like fontina, parmesan, or Swiss
A Gourmet Twist on a Comfort Classic
Herb-Infused Potatoes Au Gratin Foil Packets with Leeks combine the coziness of au gratin potatoes with the brightness of fresh herbs and the subtle sweetness of leeks—all wrapped in a simple, no-fuss foil packet. They’re sophisticated enough for entertaining yet practical enough for weeknight dinners and outdoor adventures.
Whether you’re grilling in the backyard, cooking at a campsite, or making a comforting side dish in the oven, this recipe delivers big flavor with minimal effort.
