By Rochelle Bilow, Finger Lakes Food Correspondent Most celebrity chefs guard their secrets closely, denying consumers and fans their recipes and techniques. And why should they share? It’s their repertoire, after all. There’s a certain unspoken fear in the restaurant world that if clients can replicate dishes on their own, the banquettes and bar stools will slowly empty as home ovens steadily warm to a roaring fire. The chefs in the Finger Lakes believe otherwise. For years, a core group of culinary professionals in the region have been teaching specialized and themed classes to laypeople, unraveling the mystery and mystique…