1 lb lean ground beef 1/2 small white onion, minced 1 beef bouillon cube 1/2 cup water 2 tablespoons brown sugar 1 tablespoon apple cider vinegar 2 tablespoons Worcestershire sauce 12 pack slider buns 1/3 cup dill pickle slices 6 slices American cheese FOR THE BUTTER SAUCE: 1/2 cup butter, melted 2 tablespoons brown sugar…

1 lb lean ground beef 1/2 small white onion, minced 1 beef bouillon cube 1/2 cup water 2 tablespoons brown sugar 1 tablespoon apple cider vinegar 2 tablespoons Worcestershire sauce 12-pack slider buns 1/3 cup dill pickle slices 6 slices American cheese FOR THE BUTTER SAUCE: 1/2 cup butter, melted 2 tablespoons brown sugar 1…