Creating the ultimate mashed potatoes requires careful selection of the right type of potatoes and attention to the preparation process. The ideal potato for this dish is a starchy variety, such as Russet or Yukon Gold, known for their fluffy texture when cooked. It's essential to peel and chop the potatoes evenly to ensure uniform cooking. Boiling them in salted water adds flavor. Once cooked to perfection, the potatoes should be drained and returned to the pot to evaporate excess moisture. The addition of butter and creamy milk or cream transforms these potatoes into a rich side dish. Finally, seasoning with salt and pepper according to taste elevates the dish to a new level of deliciousness. For a twist, consider adding garlic or herbs for additional flavor.