slice your croissants in half and spread with butter. Set aside.
Crack the eggs onto a preheated cooking surface. Season to taste with salt and pepper. Cook for 1-2 minutes and flip.
Place your chosen meat onto the grill to heat. Place the sliced croissants cut side down to toast.
Follow the instructions above, cooking on a stove top.
Place assembled sandwiches onto a square of foil. Wrap tightly and freeze.
At the campsite: Heat the sandwiches until warm throughout on hot coals or a grill. Serve immediately.