American recipe for 4 – 8 people, takes only 30 mins; recipe has olive oil, ground cumin, bay leaf, garlic clove, shallot, red chilli, celery, tomato, egg yolk, oyster sauce, bread, beef, gruyère, burger bun, butter, mayonnaise, mustard, beef tomato, streaky bacon, little gem lettuce, guacamole and gherkin.