The secret technique that chains like Shake Shack use to make delicious burgers

Of course the most genius burger I've ever made would come from The Food Lab (and the brilliant dude behind it). Of course I won't be able to make cheeseburgers another way. These burgers are perilously juicy, with the crispiest, meatiest, most umami-fied crust you can get in a burger. They also take …