Salt Block Sliders and Caramelized Onions

This recipe and photos were provided by Sally Roeckell of Table and Dish and were originally published at 365Barrington.com. It's been a great grilling season! How about capping it off with something new? Have you grilled on a salt block? Don't worry if you haven't, I've shared everything you need to know in a "Salt Block 101" guide. Pink Himalayan salt...