Spread a cheescloth in a deep food container and add the yogurt, leaving it for 8 hours, to drain from its liquids.
Once the liquids have been drained from the yogurt, add it in the blender.
Chop finely the parsley and add it to the blender.
Then, add all the remaining ingredients to the blender and beat them for 2-3 minutes. (We don't remove the salt from the capers, because it adds a unique flavor to our dip)