The reigning queen of L.A.’s dining scene looks set to expand her empire. As of July 1, Mario Batali will be fully divested from B&B Hospitality, the restaurant investment group he co-founded with Joe Bastianich, and Nancy Silverton will be stepping into a bigger leadership role within a new version of that company. Among her first orders of business: opening Mozza locations in London and New York City and opening a Los Angeles location of the Las Vegas steakhouse concept
