5 years of possible innovation bump:

We haven at least 2h to kill at FRA in a couple of weeks, arriving EU and transfering to a long haul destination in Business Class.

What is the current best lounge to go to?? I read the AC Maple Leaf is still highly regarded? Or should we do some lounge hopping before a 13:45h flight?
since it is in the evening my goal is have to some nice drinks and food.