1  pound lean ground turkey
1/2  cup chopped onion
     2  garlic cloves, minced
     1  tablespoon sugar
     1  tablespoon all-purpose flour
1/4  teaspoon pepper
     1  cup ketchup
     1  tablespoon prepared mustard
     1  tablespoon barbecue sauce
     1  tablespoon Worcestershire sauce
     6  sandwich buns, split

In a large nonstick skillet, cook the turkey and onion over medium heat until turkey is no longer pink; drain if necessary.  Add garlic; cook  for 1-2 minutes or until tender.
   Stir in the sugar, flour and pepper.  Add the ketchup, mustard, barbecue sauce and Worcestershire sauce.  Bring to a boil.  Reduce heat; cover and simmer for 5-10 minutes or until heated through.  Serve on buns.