Carefully remove and discard the rosemary, thyme, garlic skins and ... Slice the chicken and arrange on top of the pasta. Finish with the remaining Parmesan, basil and a drizzle of oil.
Fry the leek, garlic and chicken for 5 minutes ... Add 35g/1¼oz of the Parmesan and mix. Once it's melted in, add the pasta and warm through. Season to taste with salt and pepper.