The Big Brekkie Burger is part of the Breakfast range on the Macca's menu in Australia. Beef patty, egg, bacon, and cheese on a toasted bun. Availability can vary by location. As a guide, expect to pay around From around $8–$10 in-restaurant, though prices are set by each franchise and vary by location.
For the most accurate, store-specific price and availability, check the official McDonald's app or your local restaurant.