Yay! It's Wednesday Cake!

I have been waiting so long to write these words: Catherine Newman, of Ben & Birdy fame, of Catastrophic Hapiness fame, is the author of this week's guest-post on family rituals. I'm not sure there is any tradition that embodies the concept of my new book more than her Yay, It's Wednesday Cake. I'll let her tell you all about it. Thank you Catherine!

I a…