From "Hashcapades" by Clark HaassSweet corn and onion steak hash By Bill St. John, Special to The Denver Post The best thing about leftovers is their added flavor, the way sitting around a day or two in the refrigerator augments whatever tasties were there to begin with. The worst thing about leftovers is that, even so, they can feel tired; reheating or recooking just worsens that.