In a large mixing bowl combine beef, Worcestershire sauce, salt and peppercorn. Mix to combine and form into 4 patties slightly larger than your bun.
Lightly brush burger with olive oil to prevent sticking.
Grill until golden brown and slightly charred (about 3 minutes), turning once (cook for 3 minutes on the other side for medium).
Heat oil in a large frying pan and lightly fry bacon and onion to your liking over a medium heat.
Toast hamburger buns by placing on grill until grill marks form.
Serve burger on toasted bun with layered slices of CHEER™ Aussie Jack Burger Cheese Slices and your choice of lettuce, tomato, bacon, onion and beetroot.