Preheat oven to 350°.
Combine first 8 ingredients in a large bowl; crumble beef over vegetable mixture, and stir until well-blended.
Shape beef mixture into an 8 x 4-inch loaf. Coat a rack and a shallow pan with cooking spray. Place meat loaf on rack in pan.
Bake at 350° for 55 minutes or until a thermometer registers 160°.
Prepare Browned Gravy.
Remove meat loaf from oven. Let stand 10 minutes. Cut into 8 slices. Serve with Browned Gravy. Sprinkle with parsley, if desired.