I you know a day or two ahead just take them out of the freezer and the thaw like a turkey. Your cooking times increase then becaiuse your not trying to thaw an ice cube first.
Proud member of Brethren Weber's for life
(Rescued 7 kettles in 2007, 1 in 2008, 2 in 2009 and 1 in 2010 Three of which I have and 8 that have gone to Brethren. PM me to get on the waiting list)
Weber Kettle Dabomb
Weber Kettle Justintime
Weber Kettle (Yet to be named by Daughter) Evil Twin Suggested!
Weber Kettle Grace
One Smokey Joe
UDS "Peggy Sue"