If you think of Tyler Florence as the cook next door, the guy you can count on for classics like burgers and onion rings, you may be surprised by his latest effort, “Tyler Florence: Inside the Test Kitchen.” This time, Florence is switching things up from down home to high tech in a book that stands out from the crowd with its notebook-style binding and iPad-generated photos. The burger? It’s still there, but now it’s served on “instant bread” buns made with iSi siphons &mdash …