Created by Sue on March 2, 2013
Step 1: Cook potatoes in boiling water for 12-15 minutes or until fork-tender; drain.
Step 2: Mash potatoes using a potato masher or ricer.
Step 3: Add the warmed milk (a little at a time to control consistency), sour cream, butter, salt, white pepper, and garlic, mixing well.
Step 4: Sprinkle in the shredded cheese and scallions, stirring until cheese starts to melt and incorporate.