Mrs. P. gave me one of these a few years back for my birthday
https://www.cabelas.com/shop/en/thermos-cook-and-carry-system
It's great. Bring the stew, or chili, to boil, preheat the thermos with boiling water, and drop the pot in. Twelve hours later it is still hot! Typically I'll just do this for the meat and roots, let it sit overnight, then add the softer veggies the next day.
Sure, absolutely, share some recipes. Eri used to do it all the time, that's why we created a board for just that.