Turkey, cranberry sauce, mashed potatoes, pumpkin pie?everyone knows the key ingredients to a perfect Thanksgiving dinner. But what about the ingredients for the perfect office Thanksgiving celebration? This year, you don’t need to provide your employees a full-blown feast. Instead, focus on the reasons for the holiday: showing your appreciation, and encouraging them to give back to the community. To help you out, we’ve come up with a list of unique ways to put the “thanks” and “giving” back in your office Thanksgiving.