1/4 cup Chopped parsley
3 tbsp. Unsalted butter
1/2 tsp. Kosher salt
1/2 cup Unsalted chicken stock
1/2 cup Marsala wine
4 cups Brown mushrooms, 1/2" slices
1/4 cup White onions, minced
2 cloves Garlic, minced
1/4 cup Olive oil
1/2 tsp. Black pepper
1 cup Kosher salt
3/4 cup All-purpose flour
4 Boneless chicken breasts