(Marinating chicken before cooking is optional)
Heat oven to 400-degrees F. Sprinkle chicken with garlic salt. Place chicken, skin-side down, in 9" x 13" baking dish. Pour wine, white wine Worcestershire sauce and olive brine over chicken. Scatter onion slices and mushrooms over chicken. Bake 30 minutes, then lower oven temperature to 375-degrees F. Turn chicken skin-side up, sprinkle with a little more Worcestershire sauce. Bake 20 minutes more. Serve over brown or white rice, with a mixed green salad.