Garlic mashed potatoes

6 small new potatoes, diced 9no need to peel)
1 TB milk
2 TB sour cream
2 TB butter
garlic salt

Boil new potatoes until tender. Blend for about 20 seconds with a hand mixer. Add milk. Blend thoroughly. Add sour cream and butter. Blend thoroughly. Add more milk to get desired consistency. Add garlic salt to taste.