Tangy Sloppy Joes Makes 6 sandwiches.  Prep Time: 10 minutes  Cooking Time: 15 minutes   Ingredients   1 pound lean ground beef  1 medium onion, chopped   1/2 cup ketchup   3 tablespoons prepared mustard   1/2 tablespoonWorchester sauce   6 hamburger buns   Directions    -  
In a skillet, saut onions until tender. Remove and set aside. Brown ground beef.     -  
Add and stir in reserved onions, ketchup, mustard and Worchester sauce.    -  
Cover and simmer 15 minutes or until mixture thickens slightly, stirring occasionally.    -  
Spoon mixture over bottom halves of buns and top with remaining halves.      |