Happy Goundhog Day. Either we have six more weeks of winter or, we don’t. Might as well stick with comfort food either way and this recipe for mac & cheese kicks it up a bit by adding collard greens. You could easily substitute the collards with kale or spinach depending on your preference. Making it with whole-wheat elbow noodles as called for in this recipe from eatingwell.com makes it a bit more healthy. Read more.