Outdoor-griddle cooking, whether on a dedicated "flattop" griddle station or simply on a cast-iron or steel griddle pan placed over a hot grill, is the biggest news in outdoor cooking in a long time, and the smash burger is everyone's favorite thing to cook on such a device. The YouTube stars of the outdoor griddle, the Walton twins--known as the Waltwins--serve up here the definitive guide to smash burgers in 60 recipes that are both easy to master for flattop rookies and full of brand-new ideas for griddling vets.

You will find the best versions of cheeseburgers and beef burgers you've ever imagined, such as the Rocky Mountain Smash Burger and the Mushroom and Swiss Smash Burger, along with things like the Chicken Cordon Bleu Smash, Smashed Black Bean Veggie Burgers, and Fish Sandwiches a la Smash. You'll even find delicious smashed sandwiches you can wake up to for breakfast, and some sweet dessert smashes, like Smashed S'Mores, for the end of the day. Other recipes include:

• Smashed Pastrami Melts
• Pressed Cubano Sandwiches
• Asian Sweet and Soy Smash Burgers
• California Smash Burgers
• Smashed Pub Sliders
• Classic Italian Grilled Panini
• The Ultimate Gourmet Grilled Cheese
• Chicken Caesar Wraps