NYT Cooking: The Italian sub, a deli sandwich that piles some combination of cheese, cured meats and preserved vegetables onto a soft roll, is an Italian-American classic. But toss those fillings onto a sheet pan and hit them with a little heat, and they caramelize and crisp into a complete dinner with loads of character — sweet and spicy, bitter and briny. In this recipe, salami, red onions, pepperoncini, ...
