Turn the heat down to 180°C/350°F/Gas 4. Remove the lid and bake for another 15 minutes until the crust is dark brown. Leave to cool before slicing. If you want a soft crust, wrap the bread in a clean tea towel whilst still warm. Once cool, store in a linen or cotton bread bag, or wrapped in a clean tea towel. The flavour improves if left for a day.