Headed to any of the Christmas Revels Sanders Theater performances? This year, make UpStairs on the Square a part of you holiday tradition. Through a special arrangement with the Revels, UpStairs on the Square will be offering festive pre- or post-performance dinners to Christmas Revels patrons. Chefs Susie Regis and Amanda Lydon have created menus for both the Monday Club/Zebra Room and the Soiree Room. The Soiree Room, menu, which costs $45 per person not including tax and gratuity ($22.50 for children under 12), includes options like New England clam chowder; and frisee salad with soft-poached egg and fresh bacon. The Monday Club’s menu, which costs $35 per person not including tax and gratuity ($17.50 for children under 12), features dishes like Maine diver scallops with sweet and sour cippollini onions on whipped celeriac; and cider roasted duck breast with sunchokes and candied parsnips. Call UpStairs on the Square for early evening reservations at 617.864.1933 and let them know you’re headed to the show or just drop in for a late bite.