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.
