Crisp on the outside, gooey in the centre – French toast, eggy bread or pain perdu, as it's also called, is a quick and easy recipe to make. There's almost no end to the variations you can create, whether you prefer sweet or savoury. It's an indulgent breakfast or brunch, with the base simply comprising of thickly sliced stale bread, soaked in eggs and milk, and fried in butter. Read on to find some new favourites.