Crumble the blue cheese into a large mixing bowl,
thoroughly combine with ground beef, chives, hot pepper sauce,
Worcestershire sauce, black pepper, salt, and mustard. Cover and
refrigerate for 2 hours.
Preheat an outdoor grill for high heat, and lightly oil grate.
Lightly press the meat into about 12 patties. Cook on preheated
grill until browned on both sides and to your desired doneness.
Serve on hamburger buns.