For two people, about 100 grams (4 ounces) of sashimi-grade tuna is usually a good starting point, roughly the size of a deck of cards. That will give you a few delicious slices per person ...

Seafood lovers with a Costco ... that sashimi you're getting at your favorite sushi joint has been previously frozen. This is because when frozen fish is sold as sashimi grade, the FDA requires ...