Chop potatoes into cubes, skin on.
Boil for 15-17 minutes, until potatoes soften and begin to fall apart.
Drain potatoes.
n a large bowl, combine potatoes, sour cream, milk, butter, salt, garlic powder, and pepper.
Mix well, until you reach your desired consistency.
Top with a dollop of sour cream, fresh chopped green onions, bacon or bacon bits, and cheese.