Where do vegemite sandwiches come from?

Vegemite is an Australian food spread made from leftover brewers' yeast extract with various vegetable and spice additives. It is the most popular spread in Australia and is also popular in New Zealand and the United Kingdom.

Vegemite sandwiches are a common Australian lunch food, and they are made by spreading Vegemite on bread and then adding cheese, tomato, lettuce, or other fillings. Vegemite sandwiches are often eaten with a cup of tea or coffee.