Its so rich and creamy.
This can also be another way to make mashed potatoes for the holidays.
Then, add the minced white onions, garlic cloves, and water.

Image by The Magical Slow Cooker via YouTube
Add the lid to the slow cooker and cook on HIGH for 5 hours.
Add the stick of butter to the center of the potatoes so they can melt.
Then, add the sour cream, salt, and pepper to taste.

Use a hand mixer to blend the potatoes smoothly or a potato masher.
Stir in the sliced green onions and chives.
