Crab sushi is another dish that uses crabs as filling. As per most available Crab sushi recipes, all that needs to be done is to mince crabs with seasoning and use them as a filling for sushi or raw fish. This dish originated in Japan but has come a long way from its humble beginnings to become popular in almost all corners of the world primarily due to Japanese restaurants. The best past is that Crab sushi does not contain too many calories thereby making it ideal for people who are watching their weight or are suffering from heart problems. It is relatively easy to prepare and can be made in a short duration of time thereby making it ideal for emergencies.