Add garlic cloves to a food processor or blender and process until finely chopped, scraping down sides as necessary.
Add remaining ingredients (except for salt and pepper) and process until combined. It should take less than a minute, but you can process as long as you'd like to keep the pesto chunky or make it smooth.
Taste and adjust nutritional yeast and olive oil to suit your tastes. Add salt and pepper to taste and pulse to incorporate.
Serve as a sauce on pasta or pizza or as a spread for toast or wraps. Enjoy!