Oh, right. I need to pick up tarragon at the store. Thanks for the reminder!
Also, sure, why not, although I think you could get a similar effect by adding bourbon flavored bacon, with less labor.
Ummmmm how raw is the burger? That ice cube is going to drop the inner temperature down....and as big of a burger that is, that should take quite awhile to cook.
When I do my burgers I always make a divot in the center to prevent the burger from ballooning in the center.