Maid-Rite Sliders

INGREDIENTS

• 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: