How to roll caviar tuna sauce in Japanese sushi?

Sushi rice 250g, fresh tuna meat, mustard, onion 1 root.

working methods

1, chop leek; Wash the fresh tuna meat, cut it into 4cm× 2cm pieces and put it on a plate for later use.

2, wash your hands, dip in cold water, take a proper amount of sushi rice and knead it into an oval rice ball with a little mustard on it.

3. Put the rice ball in your hand, mustard side up, then gently press the tuna slices on the rice ball and decorate with sushi ginger and chives.