01 - Scoop the avocado flesh into a blender or food processor.
02 - Add garlic, cilantro, green onion (if using), lime juice, water, olive oil, salt, pepper, and cumin to the blender.
03 - Blend until smooth and creamy, scraping down the sides as needed.
04 - Add additional water, 1 tablespoon at a time, until the desired pourable thickness is achieved.
05 - Taste and adjust seasoning as required.
06 - Transfer to a jar or serving bowl and use immediately, or refrigerate in an airtight container for up to 3 days.