Quiz: Can You Guess Where This Sandwich Is From?

The world is full of unique sandwiches, many of them we've never heard of. So where is a particular sandwich from? Test your knowledge of global cuisine and find out. 

This vegetarian street food sandwich consists of two pieces of fried, usually golden, flat, palm-sized pieces of quick bread, served with spiced chickpea curry (channa) and chutney.

Doubles, from Trinidad. 

This meal is a wonder to behold. Between two slices of bread you'll find ham, two types of sausage (fresh and cured, usually linguica and chipolata), and steak or roast meat. The whole mess is covered in melted cheese and a hot, thick, beer-based sauce.

Francesinha, from Portugal.

This open-faced sandwich is made with a loaf of bread that's topped with garlic butter, ham, provel or provolone cheese, and paprika, then toasted. It needs to be brown and bubbly for the best bite.

The Gerber, from St. Louis, U.S.A. 

This sandwich starts with the fourth stomach of the cow (the abomasum), which is slow-cooked with tomato, onion, parsley, and celery until it has the texture of tender roast beef. It's then tucked into a crusty bun that's been dipped in the broth, and topped with a green parsley sauce and hot sauce.

Lampredotto, from Italy. 

This sandwich contains filet mignon, which is topped with mozzarella, tomatoes, mayo, olives, bacon, ham, and eggs, and occasionally other add-ons like beets, fried red peppers, sliced cucumber, or peas. 

Chivito, from Uruguay.