[Rusty Heap]

For those who sear in cast iron on a side burner, then move to grill, while the meat is BBQing for that caveman DNA ingrained love of smoked meat, to the cast iron and left over fat scrape that pan hard to loosen all the seared bits and add thin 1/8-1/4" sliced red potatoes and onion rings and mushrooms to the rendered fat and crisp them up hot like potato chips.