Making its first appearance on BostonChefs.com, Harvard Square newcomer OM Restaurant | Lounge, showcases six dishes from chef Rachel Klein and pastry chef Cristina Valente. You can click through to get a feel for the food and the American fusion menu, but you’ll have to make your way to JFK Street to get the full OM experience – from the lower level Zen Den, complete with soothing water wall and aromatherapy cocktails, to the clean-lined upstairs dining room, with its custom wood carvings, Buddha statues and Mandala paintings.