This deep-filled smoked haddock and leek quiche is a delicious and satisfying dish. The smoky flavor of the haddock pairs perfectly with the sweetness of the leeks, creating a harmonious combination of flavors. The quiche is made with a buttery pastry crust and a creamy filling, which is packed with chunks of smoked haddock and sautéed leeks. It is a versatile dish that can be enjoyed for brunch, lunch, or dinner, and is sure to impress your guests.