Brown chicken breasts in melted margarine, remove and set aside. Saute mushrooms & onions in the same pan until tender. Return chicken to pan. Add wine, bouillon, parsley, garlic powder, oregano, salt & pepper. Cover chicken and simmer 40 minutes. Remove chicken. Blend flour & water into pan juices. Stir until thickened. Return chicken to pan. Heat through or refrigerate until serving time, then reheat. From "Applehood & Mother Pie"