Take the husks off the tomatillos.
Cut the tops off the tomatillos and quarter them. Put them in the blender.
Roughly chop up 1-3 cloves of garlic and put in the blender.
Take the tops off the jalapeños and deseed them. Cut them into chunks and put in the blender.
Add mayonnaise, sour cream, buttermilk and dry ranch packets into the blender.
Juice one lime and add to the blender.
Turn blender on and blend for 1 minute.
Cut the stems off the cilantro and add to the blender. Pulse for 10 seconds until cilantro is mostly chopped.