sentence: prepare a piece of sushi seaweed wrapper sentence: spread some sushi rice on the wrapper sentence: sprinkle some sesame seeds on top sentence: flip it over and put some cucumber and avocado on top sentence: season the tuna meat with some chili sauce and chili oil sentence: mix the seasoning well and put the tuna on top of the sushi base sentence: roll it up  sprinkle some more sesame seeds and cover with a plastic wrapper sentence: use a bamboo mat to press it firmly sentence: chop the long rod to small rolls