Not to bring the thread back to life but there were so many un-answered or guessed at answers, I thought I would post the source link and contact for those who want to know what foods can be brought through U. S. Customs.
This is the US Customs page on restricted prohibited items:
For specific questions you can write or call:
You may write to USDA-APHIS Veterinary Services National Center for Import/Export (NCIE), 4700 River Road, Unit 40, Riverdale, MD 20737-1231; or call (301) 734-7830.
Chowhound Team - Maybe you can put this in a visible place or make it a locked sticky.