The family-owned Flame burned white-hot back in 2009 when finance guru Suze Orman did a star turn as a waitress here for an Oprah TV segment. Orman has a condo nearby, and her fitness trainer—who dines here regularly—suggested the blue-awning diner as an illuminated best bet for a hot, home-style meal accompanied by megawatt chatter. Greek specialties from spinach pie to baklava dominate the...