An internationally renowned guest chef joins the judges and presents a complex challenge. The candidates will have to cook a product feared by many cooks but adored by Daniel Boulud: offal.

Daniel Boulud offers a master class to candidates and cooks a dish that is dear to him. A seemingly simple dish, but which requires skill and skill. Despite the chef's recommendations, some candidates face bitter failure.

The candidates lift the mystery box and are surprised to discover unusual foods inside. They are completely taken aback and do not recognize the majority of the ingredients.