More videos from this episode Onion-Braised Beef Brisket When this notoriously tough cut finally turns tender, it's often dry as a bone. Could we have our brisket both ways? Smashed Potatoes When there's no gravy and the potatoes have to stand on their own, lots of home cooks "smash" them. But good smashed potatoes are hard to find. Electric Knives Electric knives might seem like relics of the 1960s, but we wanted to see if these knives had any place in the modern kitchen.