I just recently created one and had the same question you had- where to start? I googled wedding cake contract and some contracts came up and I used those, along with my own ideas on what my policies should be, to create my own contract. Here are two I thought were very helpful:
http://www.flourgirlcakery.com/wedding_cake_contract.pdf
http://cakechicstudio.vpweb.com/upload/Wedding%20Cake%20Contract%202012.pdf
Good luck!
Maria @ http://www.facebook.com/rooneygirlbakeshop or http://www.rooneygirlbakeshop.com
