We all know which foods we do best to avoid (right?). Despite the alluring appeal of Oreos, Mountain Dew or McAnything, processed foods provide little nutrition and a whole lot. But when it comes to the good stuff—what are the best foods to put into our bodies? While experts all agree we need a variety of foods for a healthy diet, do you know which are the healthiest of the bunch? The answers may surprise and delight you.