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Putting stuff between sliced bread is the best thing since sliced bread.
Chelsey Pippin / BuzzFeed
India
India's vada pav is a popular street food, and suitable for the veggie crowd. Battered and fried potatoes are tucked between buns and served with a variety of chutneys for a mouthwatering to-go sandwich.
Vietnam
Bánh mì is a flavour-packed baguette sandwich that originated in Vietnam but is loved the world over. Typically, it's stuffed with pork, veggies, coriander, and jalapeño.
Turkey
Doner kebab is a must-eat in Turkey, and popular throughout surrounding countries. Available from takeaways and higher-end restaurants, the sandwich is usually filled with shavings of lamb, veggies, and yogurt.