More videos from this episode Grilled Italian Vegetables with Thyme and Garlic To avoid precooking, slice the vegetables just right and use the correct cooking temperature. Grilled Hamburgers with Cognac, Mustard, and Chives Burgers often come off the grill tough, dry, and bulging in the middle. To our surprise, making a shallow depression in the center of the patty was the first step toward a great burger. Hot Dogs Americans spend $1.5 billion on store-bought hot dogs. We compiled a 20-person tasting panel to determine where that money should be spent.