Bring water to a boil in a pot and add the diced potatoes.
Simmer until tender.
Meanwhile, slowly cook the onion in 1 tablespoon of the butter.
Drain the potatoes and add them back to the pot.
Add the cooked onion, butter, milk, and cream.
Taste and add salt, pepper, onion powder, and garlic powder to taste.
Serve in shallow bowls with a pat of butter and a sprinkle of parsley on top.
Video
Notes
Storage:It's easy to make and will last a good 4 days in your refrigerator if it's put in an airtight container (or cover with plastic wrap) and kept cold. Does not freeze well.