Salisbury Steak With Onion Gravy
["1 (10 1/2 oz.) can condensed onion soup", "1 1/2 lb. ground beef", "1/2 c. fine dry bread crumbs", "1 egg, slightly beaten", "1/4 tsp. salt", "dash of pepper", "1 Tbsp. flour", "1/4 c. ketchup", "1/4 c. water", "1 tsp. Worcestershire", "1/2 tsp. prepared mustard"]
["In bowl, combine 1/3 cup soup with beef, crumbs, egg, salt and pepper.", "Shape into 6 oval patties.", "In skillet, brown patties; pour off fat.", "Gradually blend remaining soup into flour until smooth.", "Add to skillet with remaining ingredients.", "Stir to loosen browned bits.", "Cover.", "Cook over low heat 20 minutes or until done, stirring now and then.", "Makes 6 servings."]
["condensed onion soup", "ground beef", "bread crumbs", "egg", "salt", "pepper", "flour", "ketchup", "water", "Worcestershire", "mustard"]