In a large pan sear the chicken on both sides- about 5 minutes
mix together broth,beer,soy sauce, sherry, sriracha, hoisin, oil and salt
Add the mushrooms and scallion whites to the pan and pour in the sauce. Bring the sauce to a good boil
reduce heat to medium high and simmer the sauce for another 20 u2013 30 minutes until significantly reduced and thicker.
Stir in the scallion greens, then serve.