- Leaving skin on, prick potato both sides with a fork and place in microwave on High for 7 minutes. At 4 minutes, turn potato over and cook for remaining 3 minutes on High.
- Carefully remove hot potato, cut into quarters and place in bowl to mash.
- Place milk and butter into microwave and heat until warm.
- Combine ingredients and mash with potato masher to a fluffy consistency.
- Season to taste.