Place the camp oven on the coals and place whatever you are cooking inside and replace the lid. Place another shovel full of coals on top of the lid. Once again not too many as you donâ€™t want whatever you are cooking to brown quicker than the rest. It doesnâ€™t hurt to check as you go. If it isnâ€™t browning as you would like it to simply put a few more coals on the lid.