First, deseed the avocado and make lines horizontally and vertically with knife in the avocado flesh. And the scoop it with spoon.
Chop the coriander leaves and take it in a bowl.
Then take a blender and add garlic, green chilis, chopped coriander leaves, salt, mayonnaise, pepper powder and avocado pieces to the blender.
Finally, blend it into a fine paste. And keep it a side.