This dish derives its name from the color contrast of the two types of pasta. Because it mixes the earthiness of whole wheat with the familiarity of regular pasta, it's a delicious introduction to whole-grain pastas. Truffle oil adds a pleasant, earthy undertone; you can substitute extravirgin olive oil. As with all alfredo dishes, serve immediately.
Note: For creamier potatoes with a slightly less crisp crust, substitute Yukon Gold potatoes for russets. Duck fat, turkey fat, or chicken fat will give the best results, but bacon fat or olive oil will work...
When it's snack time, try this quick-and-easy tortilla sandwich recipe with roasted chicken, feta cheese, tomatoes, and vegetables drizzled with a Greek vinaigrette dressing.
