For those of you who don’t know, sarsaparilla is a soft drink, originally made from the Smilax regelii plant, that was popular in the United States in the 19th century. Confused yet? What that has to do with the new American dim sum restaurant at The Shelbourne hotel on South Beach, I have no idea. I also know that I don’t really care because this place is amazing. After a recent menu tasting, I’m signing up for a lifetime membership to The Sarsaparilla Club.