Cook, the award-winning restaurant with locations in both Needham and Newton, Mass., is serving up some hearty Irish fare to celebrate the holiday. The specials include fish and chips with crispy cod, malt vinegar tartar and cole slaw, and a shepard’s pie with slow-braised lamb, veggies and scallion mashed potatoes. These lucky specials are available for one night only at both Cook locations during regular hours on Sunday, March 17. For reservations, please visit http://cookrestaurants.com.