Add greens, nuts, salt, and pepper to food processor. While pulsing, drizzle in olive oil. Scrape down the sides. Add cheese and pulse about 2 to 3 more times. If too thick, add a little more olive oil.
Will keep in fridge for a couple of days and freezes very well.
Find it online: https://frugalhausfrau.com/2017/09/16/radish-top-pesto/