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Vegemite, Australia - Trying this classic Australian treat is pretty simple. All you need is to find a store that sells the thick, black spread made from leftover brewers' yeast extract.

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Donkey burger, China -

The name is truthful to what the sandwich is: actual donkey meat served in a roasted flaky bread pocket (known as huoshāo or shao bing). Hey, don't knock it till you try it.

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Yakisoba-pan, Japan -

Stuff some sweet and savory Yakisoba noodles in a roll, top it with seaweed, katsuobushi, and mayonnaise and you have a delicious yakisoba-pan.

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Chacarero, Chile -

This deliciousness is made with thinly sliced churrasco-style steak, or lomito-style pork on a round roll with tomatoes, green beans, and chili pepper.

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Roti john, Malaysia/Singapore - This omelette-type sandwich is said to have originated in the Malay community of Singapore, but is now also a popular snack in Malaysia itself.

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Broodje kroket, Netherlands - You can't go wrong with battered and fried meat nuggets served in a roll. Don't forget to lather it in mustard.

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Vada pav, India - Deep-fried potato dumpling stuffed in bread and served with whatever chutney your heart desires? Yes, please.

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Porilainen, Finland - This classic Finnish street food is basically bread and a half-inch slice of thick sausage, paired with pickled cucumbers and condiments for the perfect tanginess.

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Breakfast roll, Ireland - This classic Irish sandwich comes with a variety of items typically found in a full Irish breakfast. These include bacon, sausages, fried eggs, and maybe even some black pudding, a distinct kind of blood sausage popular in Ireland and the UK. 

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Smørrebrød, Denmark -

This versatile Danish sandwich consists of a slice of buttered rye bread topped with a choice of cold cut, cheese, and/spreads.

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Kaya toast, Singapore -

The sandwich gets its name from kaya, a type of coconut jam that is served on toast and sometimes on crackers. The sandwich gets a topping of sugar, coconut milk, eggs, pandan, and sometimes margarine or butter.

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Gatsby, South Africa - This foot-long sandwich is typically cut in four portions, making it perfect for sharing after a night out.

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Francesinha, Portugal -

The francesinha is an extreme hangover cure sandwich consisting of bread, wet-cured ham, linguiça, fresh sausage, steak or roast meat covered with melted cheese and a hot thick tomato and beer sauce served with french fries. Not for the faint of heart.

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Pljeskavica, Serbia - This spiced meat patty mixture of pork, beef, and lamb served in a roll is a national dish of Serbia and also popular in Bosnia and Herzegovina and Croatia.

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Bocadillo, Spain -

This is basically a choice of meat served in a small baguette-style bread. Add veggies if you like, but this sandwich is all about the protein.

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Arepa, Colombia - This bread is made of corn meal and can have a variety of fillings, from meats to cheese. It's a breakfast staple, but is also widely appreciated as an afternoon snack.

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Zapiekanka, Poland - This open-faced sandwich is more commonly served with grilled mushroom and cheese, but other options also exist.

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Gua bao, Taiwan - These popular pork belly buns consists of a slice of stewed meat and other condiments sandwiched between flat steamed bread. Yum!

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Katsu sando, Japan -

Filled with breaded fried meat and served on white sandwich bread with mayonnaise and mustard, this sandwich is unlike anything you've ever tried before.

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Choripán, Argentina - This Argentine staple consists of chorizo sausage tucked into a thick bun and smothered in chimichurri sauce.

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Cemita, Mexico - This is a Mexican torta served on a bread roll covered with sesame seeds and filled with sliced avocado, meat, white cheese, onions, the herb pápalo and red salsa.

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Mitraillette, Belgium - Consisting of a baguette topped with french fries and sauces ranging from mayonnaise, ketchup, and even béarnaise sauce, this sando is one for the books.

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Bauru, Brazil -

The traditional recipe of this Brazilian classic calls for melted cheese, slices of roast beef, tomato, and pickled cucumber in a French bun.

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Bosna, Austria -

Resembling a hot dog, this spicy fast food dish consists mainly of Bratwurst sausage, onions, and a blend of mustard and/or tomato ketchup and curry powder.

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Rarebit, Wales - This cheesy concoction consists of a savory sauce of melted cheese and various other ingredients that is poured over slices (or other pieces) of toasted bread.

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Doner kebab, Turkey - This delicious sandwich has become so popular in other parts of the world that most of us forget it hails from Turkey. The real thing eaten in its birth country is 100% worth it.

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Leberkäsesemmel, Germany - Leberkäse is a combination of corned beef, pork, and bacon that is finely ground and then baked as a loaf in a pan until it has a crunchy brown crust. Put that in a hard wheat flour bread roll with pickles and mustard and you've got a Leberkäsesemmel.

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Shuco, Guatemala -

This sandwich consists of sausage served on roll with ingredients like ketchup and mustard, and often includes toppings like guacamole, cabbage, and mayo.

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Bánh mì, Vietnam - Bánh mì comes is different shapes and forms, but the general consensus is that is consists of baguette, ham, mayo, pate, pickled daikon, peppers, and nước chấm dipping sauce.

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Jambon-beurre, France - This popular French sandwich consists of a baguette sliced open, spread with butter, and filled with slices of ham.

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Falafel, across the Middle East - This Middle Eastern sandwich has fans across the world. Made from fava beans or chickpeas, this is a go-to for vegetarians everywhere.

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Arepa, Venezuela - Arepas hailing from Colombia and Venezuela are often considered separate dishes, but both are essentially the same and equally delicious.

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Montreal-style smoked meat, Canada - This kosher-style deli meat sandwich is every meat-lover's dream-come-true.

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Pork chop bun, Macau - Consisting of fried pork chop filled into the bun, this sammie is extremely crisp outside and very soft inside.

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Tripleta, Puerto Rico -

A sort of Puerto Rican version of a Cuban sandwich, a tripleta gets its name because it's a combination of three meats: chicken, ham, and beef.

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Chivito, Uruguay - A thin slice of tender cooked beef steak (churrasco), with mozzarella, tomatoes, mayo, fried or hard-boiled eggs and ham served on a bun, the chivito sandwich is Uruguay's national dish.

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Medianoche, Cuba - This grill pressed sandwich consists of roast pork, ham, mustard, Swiss cheese, and dill pickles.

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Chopped barbecue, USA - Put some chopped barbecue meat of your choice in a hamburger bun, add some pickles and/onions, and you've got yourself everything you'll ever need, foodwise at least.

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Gyro, Greece - Traditionally made of pork, chicken, or lamb, this Greek staple has taken on different forms in different parts of the world.

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Panini, Italy -

The ham-and-cheese classic is typically the favored take on the panini. Do you agree?

See also: Mouthwatering African dishes you must try

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