Place the milk in a saucepan and bring just to a boil.
Place the eggs, salt and syrup in a mixing bowl and beat thoroughly to combine. Gradually pour the milk over the egg mixture, stirring.
Rinse four custard cups in cold water. Pour the custard into the cups and set them in a pan. Pour boiling water to the depth of oneinch around them. Bake for about one hour, until firm. Serve with sweetened whipped cream.