Place the flour, eggs, Supercress 5 packets and salt in the stand mixer/blender. Add the oil gradually to obtain a firm paste. Add water. Put the dough under vacuum and leave to rest for at least 1 hour.

Divide the dough into a ball, flour and flatten slightly. Make the tagliatelle using a pasta machine. Let your tagliatelle dry for at least 30 minutes. 

To cook, bring a large volume of salted water to a boil, then cook the tagliatelle with watercress.