Six more home cooks put themselves in the culinary spotlight in the second heat of the week, ready to show judges Anna Haugh and Grace Dent that they have what it takes. The Signature Dish round sees global influences in abundance, with Polish, Mexican and Brazilian flavours making for an exciting tasting, while Grace and Anna set a daunting Classic Recipe test, which requires the cooks to follow a recipe for an egg yolk and ricotta-filled raviolo, served with a sage and mushroom burnt butter