One Skillet Spaghetti Mac

1/2 cup bisquick mix

1/2 cup grated parmesan cheese

1/4 tsp garlic powder

1/4 cup water

1 egg

1 pound lean ground beef

2 cups spaghetti sauce

3/4 cup water

1 cup uncooked small elbow macaroni

Heat oven to 375.  In small bowl, stir together bisquick, cheese, garlic powder, 1/4 cup water and the egg; set aside.  In ovenproof 10 inch skillet, cook beef over medium heat about 8 minutes, stiring occasionally, until brown; drain.  Stir in spaghetti sauce, 3/4 cup water and the macaroni.  Heat to boiling, about 5 minutes, stirring constantly.  Spoon bisquick mix around edge of skillet, leaving center open.  Bake 20-25 minutes or until top is golden brown.  Sprinkle with additional parmesan cheese if desired.