Sausages may seem like the one food you don't need instructions for grilling, but actually much can go wrong. Sausages burst, burn on the outside while staying raw in the center, or shrivel up. Serious Eats' meticulous experiments show how to cook the perfect sausage: by poaching and grilling at the same time.If you're a grill master, you may already be poaching or roasting sausages in the oven before finishing them on the grill. However, with that method, Serious Eats' J. Kenji López-Alt says, you don't get as much smoke flavor, due to the short grilling time. Also, it's kind of a hassle.