Campbell Soup Best Ever Meat Loaf

1 Can Cream of mushroom soup

2 Pounds Ground beef

1/2 Cup Fine dry bread crumbs

1 Medium Egg beaten

1/3 Cup Finely chopped onion

1 Teaspoon Salt

1/3 Cup Water

Mix thoroughly 1/2 cup soup, beef, bread crumbs, egg, onion, and salt. Shape firmly into loaf (8"x4"); place in shallow baking pan. Bake at 375 degrees for 1 hour 15 minutes. In saucepan, blend remaining soup, water and 2-3 tablespoons of drippings. Heat; stir occasionally; serve with loaf.