Those evolved into today's popular rainbow rolls and dragon rolls stuffed and layered with a mixture of cooked and raw ingredients. These rolls helped sushi gain popularity with an American audience. But their use in sushi started out of necessity. In Japan, halibut is very sweet. The halibut here tastes just like dead fish.
Some chefs try to reinforce with spice.
To Glenn Sakata, assistant branch manager at fish distributor International Marine Products in San Mateo, the development of American-style sushi is part of sushi's evolution. I think this is just one of its steps. I think it's fun. Diverging Styles Differences between Japanese and American sushi extend to the way the food itself is served and eaten. Part of the Japanese experience is the interaction with the sushi chef.