01 -
Place each chicken breast between sheets of plastic wrap and pound to an even thickness of about 1/2 inch.
02 -
Arrange three shallow bowls: one with the flour, one with whisked eggs, and one with panko breadcrumbs.
03 -
Dredge each chicken breast in flour, dip in egg, and coat thoroughly with panko, pressing gently for adhesion.
04 -
Pour vegetable oil into a large skillet to a depth of about 1/4 inch and heat over medium until shimmering, reaching 350°F.
05 -
Add coated chicken to the hot oil. Fry 3–4 minutes per side, turning once, until golden brown and cooked through.
06 -
Transfer fried chicken to a paper towel-lined plate to drain briefly, then slice crosswise into strips.
07 -
In a small bowl, whisk together soy sauce, mirin or rice vinegar, brown sugar, and water until sugar dissolves.
08 -
Spoon warm cooked rice into bowls, top with sliced chicken, drizzle with homemade tonkatsu sauce, and garnish with green onions and sesame seeds.