For Poles, Christmas Eve, or wigilia, is one of the most important Roman Catholic holidays of the year. Here are recipes for a traditional meal. A twelve-dish Christmas Eve supper is traditionally prepared in many Central European and Northern European cultures, especially those that were formerly part of the Weeks before Christmas, my family would get out the cookie tins and start baking traditional Polish Christmas cookies for the holidays. The 12 Dishes of Polish Christmas – Christmas Eve tradition includes twelve dishes and desserts which reflects the rich and multicultural culinary traditions of Poland. Christmas Food. The traditional Christmas Eve supper consists of twelve dishes representing the twelve months of the year. No meat is served during the supper, only Christmas dinner is a meal traditionally eaten at Christmas. This meal can take place any time from the evening of Christmas Eve to the evening of Christmas Day itself. .