Using a pestle and mortar, combine the basil, cheeses, pine nuts, garlic, and salt and grind until a paste is formed. Add the olive oil slowly and mix with the mashed basil mixture until well combined.
Prepare pasta in boiling water and drain. Using a hot skillet, place pasta in skillet and add the pesto to the warm pasta. Stir the pesto into the pasta and serve.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.
Recipe courtesy of Lucciano Parolari, Villa D'Este, Italy