2 cups lightly packed fresh basil leaves
3 tablespoons pine nuts
Generous pinch of kosher salt
1/2 cup, plus 2 tablespoons extra-virgin olive oil
1/4 cup Parmigiano-Reggiano cheese, freshly grated
3 tablespoons Pecorino Romano cheese, freshly grated
Drop garlic into a food processor with the motor running and process until chopped.
Add the basil, pine nuts, and salt. Pulse until the basil and pine nuts are coarsely chopped; continue processing until finely chopped.
Drizzle in the olive oil with the motor running..
Transfer to a small bowl and stir in the grated cheeses.
*The pesto can be stored in a tightly sealed jar, topped with a thin layer of extra-virgin olive oil, for several weeks in the refrigerator.