Make just enough of this recipe. Use the portion planning tool to calculate exactly how much of each ingredient you’ll need.Peel and cube potato, place in a pot of cold, salted water.Bring potato to a boil and simmer until fork tender. Drain potato and add back to pot. Add desired liquid (milk, cream, or stock - your choice), butter and salt and pepper.Mash potato until fluffy. Adjust seasoning if necessary.