The official judges (Nana and the grandkids) chose a secret ingredient and announce it a few weeks in advance. (bluejeansandcottontees.com)
You can make these bars up to a few weeks in advance and remove from the freezer 20 - 30 minutes before serving to allow them to slightly soften. (everylastbite.com)
In order to get yourself together, it's wise to get started a few weeks in advance. (theeverydaygrace.com)