Step 1

In a food processor, combine the walnuts, lemon juice, garlic, salt, and pepper and pulse until well chopped.

Step 2

Remove the leaves from the basil stems and add the Thai basil leaves to the food processor and pulse until combined.

Step 3

With the food processor running, drizzle in the olive oil and pulse until combined. Add the nutritional yeast and pulse to briefly combine. For a smoother pesto, add more olive oil.