Wash the herbs, place them in a bowl and puree them with the cutting stick of the hand mixer while adding the oil. Finally, stir in the cheese. Put the herb sauce aside. Wash the mussels thoroughly under running water.
Get rid of damaged and open shells. Remove the beard with a knife. Peel the onion and lard with bay leaf and cloves. Peel carrots and cut them into thick slices. Boil the larded onion and carrots in plenty of salted water and add the mussels.
Cook until the mussels open. Take them out and let them drain on a sieve, remove closed mussels. Cook the pasta in plenty of salted water for 10 minutes and drain.
Stir the herb sauce into the noodles and mix with the mussels. Arrange on a plate and serve.