Step 1

Gather all the ingredients.

Step 2

To make the sauce, combine the sauce ingredients in a small saucepan and bring to a boil. Remove from heat and transfer the sauce into a small bowl, set on ice over a larger bowl.

Step 3

Cut the scallion into fine slices, roll up the shiso leaves together and slice thinly, and grate the ginger.

Step 4

Slice the albacore tuna into about ½ inch (1.3 cm) thick slices and marinate in the sauce for 10 minutes.

Step 5

To serve, put steamed rice in bowls, sprinkle shredded nori and sesame seeds, and place sliced albacore tuna. Garnish with scallion, shiso leaves, ginger, and wasabi.

Step 6

You can keep the leftovers in an airtight container and store in the refrigerator for a day.