| Bake pastry shells according to package directions. Heat oil in a heavy nonstick skillet over medium high heat. Sauté chicken, in batches if necessary, until browned, stirring often. Set chicken aside. Pour off fat. Add gravy, lemon juice, thyme and vegetables. Bring to a boil. Return chicken to pan. Reduce heat to low, cover and cook 5 minutes or until chicken is no longer pink. Serve in pastry shells. |