Chef David Santos’s secret suppers, Um Segredo, are the fun of a dinner party (minus the clean-up) combined with the food of a world-class restaurant (not your friend’s thawed lasagna). You follow the signs once you get to Roosevelt Island, hand your wine over to Chef Santos, and settle in at a long table for a night of great conversation, great service, and even greater cooking that all makes for such a good time it’s somehow midnight before you know it. We loved our first time at Um Segredo, but we exclaimed over our second time. Swinging Summer dinner, $55 Everyone digging in to the homemade bread–called flatbread but actually…

Even though Chef Dave Santos’s secret dinner clubs have been mentioned on the New York Times and BlackBook websites, have their own Facebook page, and are openly discussed on Chowhound and Mouthfuls, you still feel like you’re privy to something pretty special when you reserve a seat at one of these intimate dinners and receive your e-mail confirmation with directions to the private location on Roosevelt Island. I always say that there are no hidden gems in NYC because the ubiquitous review sites inevitably expose them within weeks of opening, but this is fine dining that’s literally hidden. All of my food-eatin’ friends had been to Um Segredo–Portuguese for “a…