Add the basil leave, garlic, walnuts and nutritional yeast to a food processor. Pulse until ingredients are finely chopped.
Add the olive oil and blend until fully combined. If needed, add more olive oil until desired consistency. Store in the refrigerator in an airtight container.
Enjoy!
Recipe by Kiss by Brooke at https://www.kissbybrooke.com/2019/09/26/dairy-free-basil-pesto/