Bento contents:
* Wafu gyoza (recipe from "Washoku: Recipes from the Japanese home kitchen" by Elizabeth Andoh)
* Stir-fried vegetables: green cabbage, baby corn, carrots, and sweet red pepper, seasoned with soy sauce and a little gochujang
* Steamed white rice with black sesame seeds
* Dipping sauce for the gyoza (in small bottle) - rice vinegar and soy sauce