Starting at the top, with a very sharp knife, cut down into each avocado until you hit the pit. Cut completely around the avocado, top to bottom, touching the pit the entire time.
Pull the two halves of the avocado apart and remove the pit with a spoon.
Use the spoon to scoop the avocado out of the skin. (Some people like to score the avocado with a knife before scooping.) Make sure to gently scrap the skin to get the dark, creamy "good stuff."
Place all ingredients into a blender or food processor. Blend smooth.
Store in a tightly covered container, in the refrigerator, until ready to serve.