The vast country of China has just one time zone, so Shanghai’s East Coast location means darkness comes early and most residents usually eat by nightfall, with restaurants often closing their kitchens around 9 p.m. But for those who keep late hours, nighttime brings out a chorus of pushcart woks and mini grill stands to street corners around the city. Despite often aggressive government crackdowns on these tasty, yet mostly unlicensed, food stands, the migrants who run them are determined to make a living and feed the masses while they’re at it. Our top five list goes beyond these roving vendors to feature a mix of restaurants that stay open late and small family-run gems that cater exclusively to the night-owl crowd.

Editor’s note: This feature from Barcelona is the third installment in our series this week devoted to the top street foods in each of the Culinary Backstreets cities. In Barcelona, a great deal of eating is done in the streets. Sidewalk cafés line the plazas and paseos, often to the point that it’s difficult to tell which tables belong to which establishment.

Editor’s note: This feature from Mexico City is the second installment in our street food series this week, highlighting the best streetside eats in each of the cities Culinary Backstreets covers. 1: Pambazos The pambazo is a Mexican sandwich that’s similar in style to the more familiar torta, but not nearly as ubiquitous. Most commonly found at weekly street markets like Sullivan, pambazos are made with hard, white bread rolls soaked in guajillo chili sauce that softens the crust and gives it a warm, orange-red hue. Once dried, the bread is sliced in half and then filled with a generous portion of diced potatoes, chorizo, lettuce, sour cream and sprinkled queso fresco. The bread is quite fragile, so eating the concoction can be somewhat challenging. From the first bite the pambazo starts to disintegrate, and by the end we’re usually scooping up the heavy mess with our fingers. It’s all worth it, though, as the light hint of chili in the bread and the hearty ingredients inside give the dish the same satisfying and belly-filling pleasure that comes with a good bowl of thick stew.

Editor’s note: This week we are celebrating street food, in all its fascinating, delicious and sometimes offbeat forms. Each day, we’ll take a look at the top street foods in a different city that Culinary Backstreets covers. This feature from Shanghai is the first installment. 1: Shengjianbao A Shanghai specialty, shēngjiān mántou (生煎馒头) – or shēngjiān bāo (生煎包), as they’re known everywhere else in China – are juicy pork buns wrapped in bread dough, then arranged in a flat, oil-slicked wok in which the bottoms are deep-fried till they are crispy. Although shengjian mantou can be found on most street corners in the morning, we’re especially fond of the delicious misshapen buns at Da Hu Chun. A Chinese Time-Honored Brand (老字号, lǎozìhào), Da Hu Chun has been splattering grease since the 1930s and, nearly 80 years later, has six restaurants across Shanghai. The venue’s chefs use the rare “clear water” technique, frying the pinched side of the dough face-up to create little Frankenstein buns that might not be as photogenic as the more common “troubled water” variety, but that have a thinner skin that gets extra crisp – and we’ll sacrifice good looks any day if it means better flavor.

Editor’s note: This is the fourth installment of “Spring (Food) Break 2013,” featuring our favorite foods of the spring season in each city Culinary Backstreets covers. This year’s Nevruz celebration, an ancient welcoming of spring, may be remembered for its political significance in which a peace deal was struck between Turkish leaders and Kurdish rebels. But once the shoulder-shrugging, line-dancing, fire-jumping and ululating are over, the real bounty of the season will continue to be celebrated all over Turkey and in many Istanbul restaurants, from the chic to the shabby.

Editor’s note: Here at Culinary Backstreets, we eagerly await the coming of spring each year, not just for the nicer weather but also because some of our favorite foods and dishes are at their best – or indeed, are only available – for a short period during this season. This post from Athens is the first installment of “Spring (Food) Break 2013,” a weeklong celebration of our favorite springtime eats. Stay tuned for dispatches from all of the Culinary Backstreets cities. Athens is probably at its prettiest in springtime, especially in April and May.

Dear Culinary Backstreets, I’m traveling to Barcelona and I love visiting food markets. I’ve heard a lot about La Boquería, but are there any other markets that might be worth visiting?

One of our favorite markets in Mexico City, Mercado Jamaica is a fantastic destination any time of the year, offering everything from festive Christmas decorations to a large selection of fruits and vegetables. After the markets of Xochimilco, Jamaica is also one of the city’s best flower markets, with block-long aisles filled with freshly cut flowers and plants of almost every imaginable color and type. But as much as we love getting lost in the sweet scents of these green alleyways, what keeps us coming back to Jamaica is El Profe, an excellent eatery inside the market that specializes in barbacoa. El Profe ("The Prof") looks less like your typical market food stand and more like a mini restaurant, with small brass chandeliers hanging from the ceiling that provide more in the way of ambiance than actual light. Waiters and cooks in matching blue uniforms hustle and bustle around the customers, who come and go from the counter at a steady pace.

As the legend goes, a 19th-century Catalan farmer was out experimenting in his fields when he came up with a new kind of longer, juicier green onion, the calçot. In creating the onion, the farmer produced much more than a new vegetable; he also paved the way for the rise of an idiosyncratic, and distinctly Catalan, cultural event.

For as long as I can remember, I have loved mornings, a preference that likely – perhaps counterintuitively – originates from my experience working bright and early at my parents’ fonda. Almost every day, we would arrive around 7 a.m. to prepare the day’s menu, slicing vegetables for salsas, putting together moles, boiling chicken and arranging everything necessary for the daily rush of customers. The warmth and aromas rising from the large clay pots filled the air and never failed to make my mouth water. It was a scene that had been repeating itself since my grandfather bought our fonda back in the early 1960s.

To Petalo is probably the only place in Athens that offers a Sunday lunchtime buffet with homemade Greek food. It’s certainly the only all-you-can-eat brunch we know of that’s offered at the affordable price of €12, in a cozy yet slightly chaotic atmosphere that makes you feel like you’re eating in someone’s living room. And just as if you were at the house of a Greek friend, brunch at To Petalo is served in typically late fashion: Arrive before 2 p.m. and you’ll be waiting around for the food to be served.

We are unabashedly fanatical in our love of hamsi, or anchovies, a late fall/wintertime specialty whose arrival we eagerly await each year in Istanbul, where the tiny fish are most commonly served pan-fried, grilled or in pilaf. But as any hamsi aficionado knows, for the best anchovy-eating in Turkey one must go directly to their source: the country’s Black Sea coastline, where the catch is brought in.

The past year has been a very good one for food in Mexico City. We’ve had a wonderful time exploring new restaurants, tracking down exciting dishes and meeting great people along the way. There have been so many memorable moments over the past year that it was hard to sit down and come up with a list of the ones that really stood out the most. Through debate and discussion (and some revisits), we narrowed down the worthy field to our top favorites. Here are our Best Bites of 2012 from Mexico City. El Pozole de Moctezuma First up on our best food experiences of the year would have to be the pozole at El Pozole de Moctezuma. Located near Metro Garibaldi, the building is nondescript and shows no sign of the deliciousness that lies within, so if we hadn’t been taken there by a friend, we never would have known about it. But what a discovery! The friendly staff showed us exactly how to build the perfect bowl of pozole, from choosing the color and flavor of the broth to adding oregano, chili powder, lime juice and, of course, a splash of mezcal. A bowl of soup never tasted so good or filled us up more satisfyingly than that at El Pozole de Moctezuma. Best of all, the place is a long-term neighborhood fixture that celebrated its 65th anniversary in 2012, a fact that bodes well for future visits.

Editor’s note: This post is the first installment of “Best Bites of 2012,” a roundup of our top culinary experiences over the last year. Stay tuned throughout this week for “Best Bites” from all of the cities Culinary Backstreets covers. Hai Di Lao Hot Pot Restaurant We’re usually loathe to mention a restaurant that has locations all around China, but we were blown away by the dedication to customer service here – something that is sorely lacking in China. Too often, it’s a choice between authentic flavors or service. Not at Hai Di Lao.

Dear Culinary Backstreets, I’ll be in Spain during the December holidays and I’m wondering if Barcelonans eat any special meal on Christmas? If so, what is it and where in the city could I try it?