1Heat oven to 400°F. In 3-quart saucepan, heat beef, gravy, frozen vegetables and seasoned salt to boiling, stirring constantly. Boil and stir 1 minute. Spread in ungreased 1 1/2-quart casserole.
2In small bowl, stir together Bisquick mix and milk until well blended. Pour evenly over beef mixture.
3Bake uncovered about 30 minutes or until light brown.