Unlike traditional livestock ranches, this farm specializes in sturgeon, producing some of the finest caviar in the United ...

Not all caviar is pricy, either. California-based Tsar Nicoulai, for example, offers gold pearl trout roe for about $14 an ounce; it's bright orange with a firm shell and a silky, distinctive pop.

Some food trends are just fun. That's the category where AP food writer Katie Workman puts this one: Pearl-shaped foods that ...