After 12 years of living in Shanghai, we thought we had eaten our way through every nook and cranny in this city, but China has a delightful way of always surprising you. A friend tipped us about a great little Taiwanese joint less than a kilometer from our office, and since Taiwanese food is woefully underrepresented in Shanghai, we immediately planned a lunch outing to test its beef noodle soup and braised pork rice. When we pulled up outside a three-story Spanish villa complete with Juliet balconies and a rosy pink paint job, we were surprised to find a familiar sight. The distinctive building sits directly across the street from a yoga studio we had gone to for four years. We’d never even considered that it could be a restaurant – there’s no sign or indication that delicious dishes lay just beyond the front door.

Quick Bite: On this walk we’ll seek out the hidden gems of Mexico City’s famous historic district, uncovering them layer by delicious layer.

Chaikhana Sem Sorok, a newly opened little café just off the Central Asian thoroughfare of 63rd Drive in Rego Park, proves more than anywhere else that all cuisines are fusion cuisines, if you go back far enough. Every day but Saturday – the Sabbath – loaves of round, crusty bread called non or lepyoshka emerge from the restaurant’s towering brick tanur oven. They’re distinctly Uzbek, but share Persian roots with the naan of the Indian subcontinent. Meanwhile, samsas, similar to samosas, bake while clinging to the sides of another tile tanur, which was built in Samarkand and shipped to Rego Park. Filled with onions and either lamb, pumpkin or beef, and lightly charred like a Neapolitan pizza, they are Chaikhana’s big draw.

Khan al-Wazir is a remnant of Aleppo’s Ottoman past: In the late 17th century, the Ottoman governor of Aleppo commissioned the construction of this large caravanserai (in fact, its name means “caravanserai of the minister”), a building that housed both merchants and travelers. In 21st-century Istanbul, the former capital of the Ottoman Empire, a new Khan al-Wazir has cropped up, this one providing a different type of comfort: Aleppian cuisine. “I wanted to give my restaurant this special name, which refers to the ancient link between Aleppo and Istanbul,” said Hasan Douba, when asked why he chose Vezir Han, the Turkish rendering of Khan al-Wazir, as the name for his restaurant in the Fatih neighborhood.

At exactly the right moment, and not a minute sooner, lunch will be ready at La Cocina de Q.B.D.O. Generally, the magic hour of comida corrida – affordable, multi-course midday meals offered on weekdays and often Saturdays – is between 2-4 p.m., the typical lunch hour for Mexican workers. The comida corrida, also known as menú del día, is a fixture across Mexico and especially common in Mexico City. These dining options run the gamut from humble to gourmet, often depending on the neighborhood you find yourself in. But there is never a doubt that it will be satisfying – and quick (comida corrida can be roughly translated as “food on the run”).

In early September and October, Athens – just like many other cities around the world – sees an influx of young people leaving home for the first time to spend the next four years in intellectual pursuits and drinking coffee. Few among them are as concerned with what they’re eating as they are with other, seemingly more important matters, and so Greek student life is usually associated with deliveries of souvlaki, pizza and other minor domestic disasters. But for young people eating on the cheap, fast food doesn’t have to be the only option; local restaurants often offer student specials this time of year.

The five-star Pera Palace is undoubtedly Istanbul’s most iconic hotel, with its palatial rooms and suites named after the legendary guests that stayed there, such as Agatha Christie, Alfred Hitchcock, Jacqueline Kennedy Onassis and Ernest Hemingway. Practically synonymous with the Istanbul of a century ago, it is the subject of a lovely tome, "Midnight at the Pera Palace" by Charles King, that locates the hotel within the fantastically tumultuous years leading up to and following the establishment of the Turkish Republic. Though we admire the Pera Palace and cannot understate its importance to the city’s modern history, it is not our favorite Istanbul hotel. That honor is reserved for the Büyük Londra (Grand Hotel de Londres), located just a stone’s throw away on the opposite side of the stately Meşrutiyet Avenue.

After the merriment of sakura cherry blossoms has faded, bringing with it the dreary Japanese rainy season, the hot, humid days of July and August follow shortly thereafter. When summer temperatures and the humidity reach a point of sticky and awful, Japanese people tend to change their diet so as to shake off natsubate, the physical fatigue of summer. In a country where the main religion is nature-worshipping Shinto, most people practice the custom of shun: celebrating nature’s cycles and each season’s profusion of food. Loosely translated, “shun” means the height of nature’s abundance. Each of Japan’s fruits, vegetables and also animal proteins has its own shun, and in the essential and enduring wisdom of Japanese cuisine, that has influenced the preparation of Japanese food for thousands of years.

When Liz Hillbruner moved to Mexico City in 2010 from the United States, she found herself obsessed with tlacoyos, the little football-shaped street eats she saw cooking on griddles around her neighborhood. They were a perfect package of corn dough, wrapped around beans or cheese. As she ate her way through the neighborhood, she simultaneously enrolled in a master course on Mexican cuisine. When it came time to formulate a final project, it seemed only natural to study what was already on her mind. She decided on a map – the Tlacoyografía – a tool for the community and street food-loving transplants to find all the tlacoyo stands in the tlacoyo paradise that is the San Rafael neighborhood.

Growing up in Athens in the 1980s and 90s, weekend family excursions to a suburban taverna were an integral part of life. Back then, prices were affordable and eating out was not a luxury; in fact, it was a social necessity. It was a way to catch up with friends, enjoy good food and good wine, but also to entertain the kids. These tavernas were often away from the city center, in areas that offered a break from the gray buildings and the heat – usually with a large outdoor area shaded by trees, encompassing a playground and sometimes even a pond with small boats to enterain the kids. The food on offer was basic, but delicious – mainly meat (grilled lamb chops, etc.), salads, fried vegetables (zucchini, eggplant, potatoes) and dips (tzatziki and tyrokafteri, a spicy feta spread).

The vendor at this hole in the wall in Mexico City is selling tacos de canasta, cheap and filling tacos that are steamed inside a basket (hence the name, ‘canasta’ means ‘basket’), to customers. They make a quick and delicious lunch.

If you hadn’t read the flyer closely before heading to Shanghai’s first ever MeatFest last month, you might have been a bit disappointed upon arrival. The sounds and smells of sizzling meat might have seemed like a carnivore’s dream come true, but the name was tongue in cheek; the event was thrown by Vegans of Shanghai for “eco-conscious meat lovers” and served only domestically sourced plant-based “meat” products. It’s part of a bigger push towards eating a plant-based diet in China, where vegetarians make up less than 5% of the population. But even at such a low rate, that still comes out to approximately 50 million people (a population larger than that of Spain). Historically vegetarianism is rooted in Buddhist or Taoist beliefs but, like recently in the West, the meat-free lifestyle in China has become less about religion and more focused on health and being environmentally friendly – and millennials are leading the pack.

If a gastronomia or delicatessen prepares good food, it can survive for decades. But if a gastronomia also promotes a social cause, there is a risk that clients will visit once to silence their consciences, and not return. At Sfizzicariello, a “social gastronomia,” the food is at once excellent, and the cause worthy. A group of 10 people with mental health disorders run the deli, an example of commitment but, above all, quality dishes that will keep people coming back. Here is one of the best eggplant Parmigiane in Naples, an exceptional endive pizza, and a number of unparalleled meatballs. Come for a quick snack, a long lunch break sitting at one of the few tables scattered about or to order take away. The environment is modern in design, with eight seats inside and four out.

On a corner in Astoria, across the street from a bright blue-domed Orthodox church and in the shadow of the towering viaduct that carries Amtrak trains out of New York and towards New England, Gregory’s 26 Corner Taverna has been quietly recreating Greece for 13 years. At lunchtime in the outdoor patio, you mostly hear Greek spoken as old friends meet and order spreads of whole grilled fish, octopus and slabs of feta cheese sprinkled with oregano. A fisherman from out on Long Island might stop by with his catch of the day on ice for the owner, Gregory, to choose from, just like at a restaurant along the Greek coastline. After finishing their meals, each table gets free dessert, a tradition of Greek hospitality. At Gregory’s, it’s always a plate of cinnamon-topped halva made with imported Greek farina. Down to the cozy dining room filled with model ships and bright blue evil eye amulets, this place evokes life on the islands itself.

An aguas frescas vendor in the Xochimilco market stands at the ready behind his offerings: there were over a dozen different flavors on the day we visited. He served us an incredible lemonade with chia seeds, a very traditional (and delicious) pairing.