Wash the chives, dab dry and, except for a little to garnish, cut into fine rolls. Whisk eggs, milk, salt, pepper, nutmeg and chives. Pour into a wide greased mould so that the egg mixture is a good 1 cm high.
Place in a hot water bath and allow to set for 20-30 minutes. In the meantime heat up the stock. Turn over the egg and cut into lozenges. Arrange in 6 deep plates in the shape of a flower. Pour hot broth over them and serve garnished with chives.