Avocado mac n' cheese from Cooking in Socks is a tasty twist on a classic comfort food. Avocado, onion, garlic and other flavorings are pureed in a food processor and added to a pepper jack cheese sauce. The recipe recommends using whole wheat shells but you can use your favorite pasta shape. Serve this mac n' cheese straight from the pot or bake it in the oven for a cheesy crust. For full recipe instructions, click here.