Many believe that pesto is simply the traditional mix of basil, pine nuts, and oil, but in this great article from the Wall Street Journal, we are offered a peek at some delicious variations on the traditional recipe, including one of Vetri's own!
"The word "pesto" has its roots in the Italian word for "pestle," and it means the technique of using a mortar and pestle (or more often nowadays, a food processor) to make a flavorful paste combining garlic, nuts and oil with vegetables or herbs."
Vetri's variation: