Any meat will do. For a pound of meat - Very simple. Salt, pepper, a sploosh of Worcestershire sauce, granulated onion and garlic and a bunch of fine chopped onions. Form into thin wide patties and fry at medium or medium low heat in a little olive oil until it turns brown then flip it and add a thick slice of cheese and cover for 20 seconds. The trick is that low heat retains most of the juice. 9.5 of 10
Mine had slivered yellow onions and a big fresh ripe slice of tomato and ketchup.

Wait. Don't forget the Hatch chiles!

Whatever you like. Next time - bacon!