Marinate chicken slices in above except flour for three hours. Sprinkle flour all over chicken slices and fry on nonstick pan with little oil Sauce: In a pan put butter and keep on flame, as butter melts add onions and braise it till pinkish brown color the add mushroom slices brown them up then sprinkle flour and roast it well, remove on a plate. In same pan with leftover butter and crumbs, add the rest of ingredients except parsely and boil while whisking, cook till it thickens then add chicken and mushroom slices with parsely and mix well then remove from flame. Serve with egg noodles or macaronis and veggies.