While rice cooks, heat peanut oil in wok or large skillet. Add chicken, stir fry. Add onions, beans (snap in half if desired),garlic, sliced or quartered mushrooms, radish slices. Stir fry for a few minutes until beans are bright green.
Add soy sauce and sake or rice vinegar, Stir everything together. Put individual serving of rice into bowl, add chicken and veggie mixture. Drizzle with sesame oil before serving.