How to Make It
Push cloves into onion. Place onion, potato, and turnips in a large saucepan; cover with water. Bring to a boil. Reduce heat, and simmer 20 minutes or until potato and turnips are tender; drain. Discard onion and cloves. Return potato mixture to pan.
Add cheese, sour cream, salt, and pepper to pan; mash with a potato masher to desired consistency.