Wash and scrub both potatoes and carrots, peel if desired and chop into uniform pieces and boil for 10 minutes. OR.....
INSTANT POT: Simply add them to your Instant Pot with 1 cup of water. Set to MANUAL and cook for 12 minutes. Allow to naturally release for 10 minutes before opening lid.
Let rest for 5 minutes and then with a slotted spoon, transfer the veggies to your blender
Add 1/2 cup potato water and pulse to mix
Add remaining ingredients and blend until smooth and creamy