Originally Posted by
MSYtoJFKagain
...
When I'm making burgers, I smash them. I have my 15" cast iron on the grill or my solo propane jet burner and I'll smash 3oz patties. 60 second, flip, American cheese, 20 seconds and it is done. On a Martin's potato roll with 2 slices of pickle and no toppings. There is no equal!
in 60+20 seconds, is it rare or under medium rare? I find that 4-Oz needs a few minutes just to be medium rare, even when rested.