Can someone confirm or deny that this is Calvatia booniana (Giant Western Puffball). Found in northern New Mexico, USA on a forest service road (ie dirt) in a mixed conifer forest at about 8500 ft asl. That's a US quarter for size reference. It seems like an easy id, but its the first one of these I've found and I don't want to get cocky. If it is C. booniana, how does one prepare it for dinner?