What is a boston roll?

A Boston roll is a type of sushi roll that typically contains cooked shrimp, avocado, cucumber, and sometimes lettuce or tobiko (flying fish roe). The roll is usually wrapped in nori (seaweed) and then rice, and sliced into bite-sized pieces. The Boston roll is known for its fresh and light flavors, making it a popular choice for sushi lovers looking for a healthier option.