Whatever Kim said is probably accurate. We researched the subject a couple of years ago. Certain foods cannot be brought into the US. I know that lamb is not allowed in. The list is available on the internet.
We have brought beef chicken soup yogurt with no issues on 2 occasions.
You should be able to prove the contents what ever you are bringing in. Keep labels from butchers packages etc.
Warren S/V Scuba Doo Lagoon 50 (winner of best crewed yacht under 55 feet at the St. Thomas crewed yacht boat show).