A big outdoor griddle can change what summer feels like . And the best flat-top grills can make dinner feel like an event to be proud of. What's a more satisfying sound than the slap of a spatula onto the chopped onions and rib eye meant for a perfect cheesesteak ? The blister of corn tortillas cooked in the grease left by hard-seared carne asada? The smash of a burger at a backyard barbecue? The blessed evenness of pancakes cooked on a well-seasoned griddle plate? All you need is a great griddle to set you up for success. An outdoor gas griddle is an essential backyard counterpart to the satisfying direct heat of a high-performing charcoal or wood-fired grill—adding all the versatility of your favorite diner to your sunny-day toolkit. I've spent months cooking dozens of smashburgers, bacon strips, tacos, and pancakes to find the best outdoor griddle for each kind of backyard cook. Now, I find myself using the griddle more than a classic grill.…