If you are planning on freezing the top tier of your wedding cake for your first wedding anniversary, there are some easy steps you can take so that the cake will still be tasty one year down the road.
After the wedding, immediately remove the cake from the cake box and place it in a large 2-gallon Ziploc bag. Squeeze out as much air as possible before sealing the bag. Put the sealed cake inside a second Ziploc bag, so that it is double-bagged. Be sure to remove as much air as possible from the second bag, as well. You can then put the sealed cake back inside the cake box. Next, wrap the cake box in plastic wrap, so it is sealed. Place the cake box in the freezer.
When your anniversary rolls around, and you are ready to indulge in your walk down memory lane. Remove the cake box from the freezer and place it in the refrigerator to thaw for about 24 to 48 hours. Free the cake from its wrappings and allow it to thaw for another hour or two at room temperature. Then serve it up and reminisce!