Boston Restaurant Week is already under way but New Hampshire dwellers and diners are waiting with baited breath for Sunday, March 22nd when Portsmouth Restaurant Week begins. For a whole week, through March 29th, thirty or so restaurants from Portsmouth and surrounding towns like Rye, Exeter, Durham, Kittery and York Harbor will be serving prix fixe menus for $16.95 for lunch and $29.95 for dinner. The prices don’t include tax, gratuity or beverages – just three courses created by the talented chefs at eateries like Acorn’s, Black Trumpet, Blue Mermaid, The Green Monkey, Pesce Blue and Radici, among others. To plan your Portsmouth Restaurant Week excursion, consult the event website, which has menus and a complete list of participants. Reservations are strongly recommended so call the restaurants directly to book your Restaurant Week tables.