Preheat oven to 400 degrees.
Bake potatoes for about an hour. Remove and allow to cool. (Boil instructions in post if preferred.) Turn oven down to 325.
Scoop most of potatoes out of skins and place in large mixing bowl. Keep skins for potato skins if desired (recipe in post).
Add butter, cream cheese, sour cream, garlic/garlic powder, salt and pepper to bowl.
Mix together until smooth. If it feels too thick then add the milk or cream.
Spray baking dish with nonstick and spread potatoes into dish.
Cover with foil and bake for 40 minutes.
Remove from oven and top with cheddar, bacon and green onion. Heat will melt cheddar.