Roughly chop parsley and cilantro.
Add to high speed blender with minced garlic and lime juice.
Begin to blend and slowly pour in avocado oil.
Once all avocado oil has been blended in, open blender and scrape down the sides.
Add avocado to dressing and blend until creamy.
Taste for salt.
Pour into glass jars and store in fridge until ready to use.
Keeps for about 1 week in the fridge.