Penne Rigate With Pesto

Pour the contents of the package with cold water ( 2 glasses ) , liquid oil ( 3 tablespoons ) and butter ( 1 teaspoon ) into a suitable container and close the lid.

Put on a low flame for 15 to 20 minutes.

Stir the contents every 5 minutes until the sauce is evenly distributed on the pasta surface.

At the end of cooking , you can add some freshly chopped basil and Parmesan cheese to the pasta if you wish.