Lonely Planet's The World's Best Street Food: Where to find it & how to make it! A little known culinary secret is that the world's best sandwich isn't found in Rome, Copenhagen or even New York, but rather, on the streets of Vietnam! The street is where you'll find the heart of a cuisine and its culture — somewhere among the taco carts and noodle stalls, the scent of wood fires and the hubbub of fellow diners. Bring the world's greatest street foods to your home with this compendium of classic recipes!