Pesto

Use the side of a chef's knife to mash garlic clove with kosher salt until garlic breaks down. Transfer to the bowl of a food processor with toasted pine nuts. Pulse until a paste forms. Add fresh basil leaves in two batches, pulsing until finely chopped. Add grated Parmigiano-Reggiano and grated Pecorino Romano; puree until combined. Transfer to a bowl; slowly whisk in extra-virgin olive oil. Season with salt. Store in an airtight container, covered with a thin layer of oil, for up to 2 days.

In a food processor, combine toasted nuts, basil, Parmesan, and garlic; season with salt and pepper. Process until finely chopped. With machine running, pour olive oil in a steady stream through the feed tube; process until smooth.