Directions

1. In a bowl, whisk the egg and milk.
2. Add bread crumbs, 1 tablespoon gravy mix and onion.
3. Crumble beef over mixture and mix well.
4. Shape into two patties, about 3/4 inches thick.
5. Broil 3-4 inches from the heat for 6-7 minutes on each side or until meat is no longer pink and a meat thermometer reads 160°.
6. Place the remaining gravy mix in a small saucepan; stir in the water and mustard. Bring to a boil; cook and stir until thickened. Serve over patties.