In my humble opinion, the best burger in the world is some variation of George Motz's Oklahoma fried onion smash burger. It's pretty simple. Oil and heat your skillet. Place a ball of 80/20 ground beef in the skillet and season with salt. Add a handful of finely sliced white onions on top of your ball. Smash the onions and beef into a thin patty and then leave it alone . Wait until the frilly edges go brown. Flip the patty. Lay a single slice of bullshit cheese on top (you know, those pre-wrapp…