In a food processor, combine the basil, Parmesan, olive oil, garlic, pine nuts, salt, and pepper. Pulse until the mixture is well combined and has a paste-like consistency.
Taste and adjust seasonings as needed.
Serve immediately, or store in an airtight container in the refrigerator for up to 5 days.
Interesting Facts
Pesto is traditionally made in a mortar and pestle.
Pesto can be used as a topping for pasta, pizza, and other dishes.
Pesto is a great way to preserve fresh herbs like basil.