•     6 hamburger buns
• ½ pound ham
• 6 slices baby Swiss cheese
• ½ can onion andc hive cream cheese spread

Sauce

• 1  tablespoon prepared mustard· 
• 1 teaspoon dried onion flakes· 
• 1½ teaspoons Worcestershire sauce
• ⅓ cup brown sugar
• 6 tablespoons butter, melted
• 2 tablespoons Parmesan cheese