The bar aisle is buzzing. Nut, nut butter, egg white, probiotic, protein, "smoothie," fruit, and even "fat" bars are competing with old standbys like granola and cereal bars. Attention, shoppers: Fresh fruit, crunchy veggies, unsweetened yogurt, nuts, and other whole foods still beat bars any day. But if you want a bar that's more real food than candy, read on.