Canned Tuna Mayo Onigiri

Tuna mayo onigiri, or rice ball, is a simple and delicious Japanese snack. Rice is filled with a flavorful tuna and mayonnaise, shaped, and wrapped with a sheet of nori (seaweed).  Onigiri is one of the most recognizable Japanese snacks there is. From homemade lunches to convenience stores, onigiri can be found just about anywhere.…