Russet potatoes, new potatoes, Yukon gold potatoes and fingerling potatoes are some common varieties of potatoes. These varieties of potatoes have slightly different appearances and flavor profiles but behave similarly when cooked.
Russet potatoes are large and oblong with a medium to light brown coloration. These potatoes are high in starch and low in water, lending them a light and fluffy texture when cooked. New potatoes are picked slightly before they reach maturity, meaning they are generally smaller than russet potatoes and have a waxy, less starchy texture.
Yukon gold potatoes are a variety of yellow potato. These potatoes have a mildly sweet flavor and a moist texture. Fingerlings are similar to new potatoes but are slightly oblong in shape.