I'm making a 21st "Audrey Hepburn" inspired two tiered square cake, and i need to feed about 40 people. What size of pans do I need to use to accomplish this?
THe chart I use: http://www.wilton.com/wedding/wedding-cakes/wedding-cake-data.cfm
A 6/8 serves 18/32 = 50
A 6/10 serves 18/50 = 68