Few foods are as universally loved as the sandwich. It is quick enough for a weekday lunch, satisfying enough for a hearty dinner and versatile enough to reflect the flavours of almost every culture. While the basic idea is simple, placing a filling between slices of bread, every country has put its own spin on the sandwich, creating recipes that have become culinary icons in their own right. From slow-cooked meats and melted cheese to fresh vegetables and delicate seafood, these sandwiches tell stories of migration, local ingredients and culinary traditions. If you’re looking to eat your way around the world, these 12 classics deserve a spot on your list.