Skordalia is a beautiful Greek-style garlic dip that has a thick base of either day-old bread or mashed potatoes. This easy skordalia recipe is made of mashed potatoes and flavored with garlic, extra virgin olive oil is the way to whip it all together into a smooth, tantalizing dip that you can serve chilled or at room temperature–as a starter to a tasty Greek meal or a side next to fish or even grilled souvlaki.