2 lbs. ground beef, browned
1 tsp. onion powder
1 onion, chopped (optional)
1 green pepper, chopped (optional)
3 (1 oz.) pkgs. gravy mix
2 1/2 cups water
OR leave out the gravy mix and water and add 3 cups leftover beef gravy
2 (7.5 oz) cans biscuits
salt (to taste)