Work in the thyme leaves and continue until a smooth dough has formed.

Turn on to a floured surface and knead very lightly to get a smooth dough.

Remove from the bowl and knead for 5 minutes on a dusted surface, until you have a nice smooth dough.

Turn out the mixture and lightly knead for 2 minutes, or until it forms a smooth dough.

Tip onto a work surface and knead to form a smooth dough.