There are two different types of potatoes. There are starchy potatoes and waxy potatoes. Starchy potatoes are low in moisture and sugar levels but high in starch content. Starchy potatoes consist of Russet, Idaho, and Yukon gold potatoes. These potatoes are best used for baking, mashed, fried, or roasted. While waxy potatoes of the exact opposite. Waxy potatoes are best used for salads or casseroles. This is because they hold their shape with being cooked. Waxy potatoes consist of new potatoes, fingerling, and of course, red potatoes.