Falling in the broad category of hosomaki sushi, tekkamaki rolls are one of the most common sushi varieties. Nori sheets, sushi rice, and raw tuna are the three essential tekkamaki ingredients. Nori, the pressed and dried seaweed sheets are used as a wrapper which holds all the ingredients together.
The firm sushi rice, with a slightly acidic taste, is spread on top of nori, and the central part of the roll is a piece of raw tuna. Tender and soft, pink in color and mild in flavor, tuna perfectly balances the subtle flavors of nori and rice. Tuna is placed on top of the rice, and tekkamaki is then rolled by hand using a bamboo mat.
Since they are regarded as a variety of hosomaki, which translates as small rolls, tekkamaki rolls are usually thinner and smaller in size than other varieties. Because the tuna is not entirely visible, it often employs the cuts which are not as luxurious or appealing as the cuts used in nigiri sushi.