Small dice chicken breast, and mix with chicken marinade. Cover and marinate for 30 minutes.
Small dice rehydrated shiitake mushrooms, and mix with shiitake mushroom marinade. Cover and marinate for 30 minutes.
Drain corn kernels and set aside.
When chicken and mushrooms are done marinating, heat up a large nonstick skillet over medium heat.
Add chicken and stir-fry until no longer pink, about 2 minutes.
Add shiitake mushrooms and corn kernels and continue stir frying for 1-2 more minutes. Taste and season with more soy sauce if necessary.
Remove from heat and serve immediately with steamed rice. Enjoy!