Step 1

Add garlic and red onion to a food processor and pulse until they are finely chopped.

Step 2

Then add the parsley, cilantro, vinegar, lemon juice, nutritional yeast, salt, pepper, and red pepper flakes to the food processor and blend until everything is smooth.  Stop to scrape down the sides of the bowl as needed.

Step 3

With the processor running, drizzle in the olive oil until thoroughly combined.

Step 4

Transfer to a bowl and refrigerate until ready to use.