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Learn to cook / Outdoor cooking skills

Foil packet technique over fire

Quick answer

Cut contents evenly, add only a little liquid, double-fold the seams, and place beside embers—not in flames. Turn with tongs and open away from your face.

These steps assume

  • Equipment stands securely on a non-combustible surface.
  • Wind and fuel can change conditions during the process.
  • The focus is “Foil packet technique over fire,” not a particular dish.

What you need

  • Heavy-duty aluminum foil
  • Tongs and heatproof gloves
  • Even embers
  • A little oil or liquid
  • Plate for the hot packet

Step by step

  1. 1

    Arrange evenly cut pieces in one layer, add a little fat or liquid, and leave airspace above.

    • Equipment: Heavy-duty aluminum foil, Tongs and heatproof gloves.
    • Heat: No heat.
    • Time: 3–5 minutes.
    • Looks like: The packet is flat enough for even heat and not stretched tight.
    • If it goes wrong: An overfilled packet opens at the seam and heats unevenly.
    • Done when: Complete: The packet is flat enough for even heat and not stretched tight.
  2. 2

    Double-fold every seam. Place on a grate over mild embers or beside the hot zone.

    • Equipment: Heavy-duty aluminum foil, Tongs and heatproof gloves.
    • Heat: Even embers with no flames.
    • Time: 3–5 minutes.
    • Looks like: The packet puffs slightly and no liquid drips onto embers.
    • If it goes wrong: Direct flame weakens foil and soots or burns the contents.
    • Done when: Complete: The packet puffs slightly and no liquid drips onto embers.
  3. 3

    Turn carefully with tongs. Move to a plate, rest briefly, and open one corner away from you.

    • Equipment: Heavy-duty aluminum foil, Tongs and heatproof gloves.
    • Heat: Even embers with no flames.
    • Time: Check every 2–3 minutes.
    • Looks like: Steam escapes in a controlled direction; contents are tender and evenly hot.
    • If it goes wrong: Tearing fully open at once directs steam at hands or face.
    • Done when: Complete: Steam escapes in a controlled direction; contents are tender and evenly hot.

If it doesn't turn out as expected

  • An overfilled packet opens at the seam and heats unevenly.
  • Direct flame weakens foil and soots or burns the contents.
  • Tearing fully open at once directs steam at hands or face.

Food safety

Steam from a sealed packet can scald. Open one corner away from face and hands; check meat for a safe internal temperature.

When it's done: Steam escapes in a controlled direction; contents are tender and evenly hot.