Another minimal pots dish are foil meals.
Large sheet of foil add layers of onions, carrots, sliced potatoes, ground meat, salt, pepper, garlic powder, (anything that sounds interesting. Cook in the coals for minimum 30 minutes. Make sure the meat is fully done.
Don't even need a plate, eat right from the opened packet.
Look on-line for campfire cooking and Boy Scouts, also look for Dutch Oven cooking.