It's a dead ringer for Ahi tuna sashimi. It cuts into glistening slivers that are firm and juicy. And it's got a savory bite. But this flesh-like food is not fish. It's made of tomato, and it's what ...

A handful of chefs and food companies are experimenting with fish-like alternatives to seafood. But the market is still a few steps behind... It's a dead ringer for Ahi tuna sashimi. It cuts into ...