We call them "turtles".

Ingredients:

• Hamburger patty
• Salt/pepper
• Onion
• Diced potato
• Butter

Prep:

Put the burger patty on a sheet of aluminum foil, salt/pepper to taste, and throw the onion slices, butter, and diced potatoes on and around it. Fold the rest of the foil around it to seal it up. Toss it on the hot coals of the campfire for about an hour. Eat right out of the foil.

These aren't part of the "turtles", but we also usually wrap an ear of corn in foil with some butter, salt, and pepper and throw it on the coals alongside them.