If you need read-write access to the input value, do not add the readonly attribute. It is ignored if the value of the type attribute is hidden, range, color, checkbox, radio, file, or a button type (such as button or submit).
But of course there are dishes which can be considered as typical Australian food. People eat a lot of red meat, especially beef. And no wonder, as the beef in this country is among the best in the world. Lamb is also a favourite food and so is pork. Chicken and fish are very important in Australian diet.
The traditional Australasian hamburgers: The hamburger meat is always ground beef. They almost always include tomato, lettuce, grilled onion, beetroot (canned slices), and meat as minimum, and can optionally include cheese, pineapple, a fried egg (usually with a hard yolk) and bacon.