In a small bowl, lightly beat eggs and set aside.
Heat saute' pan, add vegetable oil then onions and mushrooms, fry for 1-2 minutes until onions are soft. Add sauce mixture, heat through.
Add chicken and lower flame to medium-low. Cook for 3-4 minutes, turning the chicken over. Cook until chicken loses pinkness
Add eggs evenly over top of chicken. Cover and cook over low heat until eggs are just cooked should not be dry.
Garnish with green onions or cilantro and nori strips
Divide into portions and serve over rice. If desired, individual portions can be made. Quarter ingredients and use a small omelet pan to make.