[DJ's left nut]

Originally Posted by Stewie

Answers in the quote.

I don't recommend salting hamburgers in advance. It creates some weird texture issues by how it draws moisture. And as you know, there's no amount of heat from a grill that can damage salt; it's virtually indestructible. Other seasonings - sure, mix 'em in (if you insist on making meat loaf patties) but there's no real upshot to mixing in salt, IMO, and some negative repercussions.

So if you're salting your burgers, just sprinkle a little on them right before you grill (kosher or sea salt; iodized is too harsh).