The Segreti di Sicilia anchovy sauce with fennel is ready to be used, no cooking or preparation is required. To season a classic pasta dish, this sauce should only be heated slightly over low heat. For a more homogeneous result you can heat the sauce in a pan, thin it slightly with a few tablespoons of the pasta cooking water. Finally, sauté the pasta while it is still al dente in the pan together with the sauce.