Cut chicken breasts into thin strips across the narrow side
Place chicken in storage, add marinade, coat and set aside for desire time
Wash broccoli and cut off crowns and pat dry
Quickly rinse mushrooms to prevent water absorption and pat dry
Heat oil in pan on medium high to nearly smoking
Cook chicken until 75% done, remove from pan and set aside
Quickly add broccoli and cook until slightly tender
Add mushrooms and garlic stirring constantly
Return chicken to pan and pour in any collected juices
Add broth and red pepper flake
Mix cornstarch with cold water and stir until smooth
Once liquid in pan starts to bubble, pour in cornstarch mixture and stir for 1 minute to thicken
Remove from heat and gently turn over pan contents to coat evenly