Prepare Herbs: Wash and dry the fresh herbs thoroughly add to a food processor.
Add Garlic and Nuts/Seeds: Add the or minced garlic and the nuts or seeds to the food processor.
Blend: Pulse the ingredients until they are finely chopped.
Add Cheese: Add the cheese to the food processor and pulse until well combined.
Citrus Zest and Juice: Add the lemon or lime zest and juice to the mixture.
Sour cream: Add the sour cream, mustard and any remaining cheese.
Olive Oil: With the food processor running, slowly drizzle in the until the sauce reaches your desired consistency. You may need to stop and scrape down the sides of the processor with a spatula.
Seasoning: Add your seasoning and a hint of chili flakes or for a kick if using. Blend again to combine.
Taste and Adjust: Taste the sauce and adjust the seasoning or consistency as needed. If it's too thick, you can add cold water a tablespoon at a time and roughly a tablespoon more olive oil; if it's too thin, you can add more herbs or nuts.