Combine the Ponzu, Soy sauce, Mirin, and a few drops of Sesame oil. Mix until the sauce is evenly combined and set aside.
Prepare Asian Pride® Frozen Nigiri Sushi Rice Ball by cutting the corner of frozen vacuum-sealed package and microwave for 2 minutes. Let sit 3 minutes before serving.
Nigiri Plate: Place Asian Pride® Frozen Nigiri Sushi Rice Ball, place at center of the plate. Lightly brush rice with sauce. Place a slice of Asian Pride® Tuna Slices directly on top of rice.
Garnish top of nigiri with cilantro and lemon zest.