A well-made sandwich is a work of art. We swoon over bean-smeared tortas in Mexico, cheesesteaks in Philadelphia, Vietnamese banh mi in downtown Chicago, a classic pastrami in a New York City deli, and bocadillo with jamon serrano in Spain. Pork sandwiches prove ubiquitous in Portugal, from simple ham on crusty rolls to the roasted suckling pig (leitao) on bread in Aveiro….

The muffuletta is a beast of a sandwich that’s layered with an array of Italian cold cuts and cheeses. The sandwich, which is aptly pronounced “muff-foo-LOTTA,” is brimming at its bread seams and feeds multiple people. Central Grocery & Deli in New Orleans, where the muffuletta was originally created, has been attracting sandwich-lovers for over a century. If…