Creating the Chicken Katsu Bento Box is a simple process if you follow these steps:

1. Prepare the Chicken: Start by flattening the chicken breasts to an even thickness using a meat mallet or rolling pin.
2. Set Up Breading Station: In one bowl, place the flour. In a second bowl, beat the eggs. In a third bowl, add the panko breadcrumbs mixed with salt, pepper, garlic powder, and onion powder.
3. Bread the Chicken: Dredge each chicken breast in flour, then dip into the beaten eggs, and finally coat with panko breadcrumbs, pressing gently to adhere.
4. Fry the Chicken: Heat about 1/4 inch of vegetable oil in a large skillet over medium heat. Once hot, add the breaded chicken and cook for 4-5 minutes on each side until golden brown and cooked through. Transfer to a paper towel-lined plate to drain excess oil.
5. Cook the Rice: If you haven’t already, cook the rice according to package instructions.
6. Prepare Vegetables: While the chicken is frying, wash and slice the cabbage, cherry tomatoes, and cucumber.
7. Assemble the Bento Box: In your bento box, place a portion of rice on one side. Slice the chicken katsu into strips and arrange them next to the rice. Add the shredded cabbage and sliced vegetables in the remaining sections of the box.
8. Add Sauce: Drizzle tonkatsu sauce over the chicken or serve it on the side for dipping.
9. Garnish: If desired, add pickled ginger and sprinkle sesame seeds over the vegetables for added flavor and presentation.
10. Enjoy: Your Chicken Katsu Bento Box is ready to be enjoyed!