Cooked a pot of pinto beans and diced onion over a wood fire yesterday. Added in dried/reconstitued anaheim chili puree and various spices, some diced beef slanina. It was good, but after well over two hours the beans still had some "bite" to them and my wife hates that, so they are recooking today all day in a crockpot.
Still, weather was beautiful, listening to football on the radio and stoking a firepit all day. I have a tripod that suspends the pot over it. I think I'll go back to gulyas for over-the-fire cooks...no beans to soften!