A bodega can be a corner store or a corner bar, or sometimes even a wine cellar with a small kitchen serving refined riffs on traditional Spanish foods. In Barcelona, a bodega is all of these, but most of all it is the beating heart of the neighborhood.

QUICK BITE: Spend the day eating your way through Sants, a lesser-explored neighborhood with a booming local food scene and an interesting history. We’ll dig into markets and old vermuteria, pastry shops and down home restaurants, but we’ll also find the pulse of Sants in some contemporary culinary projects.

Our “Culinary Secrets of the Old City” walk goes beyond the major monuments and into the backstreets where all of the serious eating is done. We’ll set off through the atmospheric, lesser-explored market streets around the Egyptian Spice Market and then go deeper into the untouristed Fatih neighborhood.

This well-stocked spice stand is found at Tbilisi's Deserter's Bazaar, the city's largest open-air market which forms a central part of our newly-launched walk.

Our original dumplings tour, with a cooking class! For more than 2,000 years, Chinese chefs and home cooks have been perfecting dumplings in all their delicious bite-sized forms. Carried abroad by Silk Road travelers over the centuries, dumplings are popular around the world, but nothing tops the original!

Tbilisi’s Vake Park district is an upscale neighborhood full of designer cafés and fancy-looking Georgian-European restaurants offering mediocre grub at prices that complement the black SUVs and silver Mercedes that crowd the streets. Sure, you can find a good place that serves up the typical tasty Georgian menu at a fair price. But for original Georgian cooking with particular attention to fresh ingredients and the process of putting them together so that all the individual flavors explode in your mouth, look no further than Citron Plus.

If Istanbul is Turkey’s New York then Izmir is definitely its New Orleans. In this sun-kissed Aegean port city, peoples have come and gone for millennia – Greeks, Cretan Turks, Sephardic Jews, Armenians, Levantine Europeans and Kurds, to name a few – each contributing to the culture of the place, but also, we sense, surrendering to a lifestyle distinctive to the city. To be from Izmir is to know good food and take the time to enjoy it. Exploring the markets, bakeries, lokantas (homestyle restaurants) and tea gardens of the narrow streets that spread out below the ancient Roman-built agora, we are always struck by how local – so “Izmirli,” as the Turks say – the cuisine here is. Digging a little deeper, a wide range of Mediterranean influences reveal themselves in this city’s kitchen, reflective of its rich history.

Settled by Greek refugees from Turkey after 1923, Nea Erythraia is a northern suburb of Athens that started off very low-key and has now evolved into a buzzing shopping and nightlife area, full of cafés, bars, restaurants and gelaterias. Despite the recent boom, many places that have been local favorites for over a decade now are still popular. One such venue, a small, unassuming restaurant with the welcoming name of “Kali Parea” (meaning “good company” in English), is hidden in a quiet street off the main road. Its faithful clientele come here to savor seasonal fish (mainly small fry) and seafood (calamari, octopus and shrimp), prepared either fried or grilled.

Manolo, the protagonist of Juan Marsé’s 1965 novel, Last Evenings with Teresa, possibly the saddest Spanish love novel ever written, spends a great deal of his time drinking and playing cards with the local elders in Las Delicias. Well known to locals and Marsé’s devotees but unknown to many Barcelonans, this bar was founded in the Carmel neighborhood in the mid-1920s using a natural cave that was turned into a bomb shelter built just below the republican air defenses during the Spanish Civil War (1936-1939). El Carmel, a working-class neighborhood on Rovira hill with spectacular views over the city, was home to the Andalusian, Galician, Aragonese, Castilian and Extremaduran immigrants who moved to Barcelona looking for brighter futures during the postwar years, the 1960s and ’70s. Las Delicias soon became their favorite local eatery, as portions were larger than usual. Decades later, portions are still very generous, the bar is still a neighborhood institution and the menu still reflects the origins of those who once settled down here. There are Andalucian specialties such as calamares a la andaluza (deep-fried squid, €6.50), morcilla de Jaén (pork blood sausage, €1.60) and pincho moruno (marinated chicken on a skewer, €4.50); Galician specialties like pimientos de Padrón (€5.25), lacón con cachelos (boiled pork shank, €7) and pulpo a la gallega (boiled octopus, €13.95); Aragonese longaniza (pork sausage, €5.25) and Castilian callos (beef tripe stew, €5.25).

Editor's note: This is the first installment in our new monthly series, Tbilisi Sketches, with illustrated dispatches covering local spots in Georgia's capital. Contributor Andrew North is an artist and journalist based in Tbilisi who spent many years before that reporting from the Middle East and Asia.

El Resolís has already been through several reincarnations, each time as a meeting place for strong, yet completely different – sometimes opposing – social groups. But even across time, changing styles and menu updates and under different owners and chefs, the place has never altered its name or its basic culinary M.O.: traditional, populist, affordable. Located in the heart of the gypsy Gràcia district, El Resolís was founded in the late 19th century. During the second half of the 20th century, it became the headquarters and the social meeting point for the Falange, the fascist and sole legal party of the Francoist dictatorship. This extremely conservative regime repressed the official use of Catalan and other cultural expressions in Catalonia and other Spanish regions.

With all the talk about the benefits of quinoa, chia seeds, goji berries and similar superfoods, we can’t help but be a little taken aback when Dolors, one of the owners of the restaurant Can Vilaró, explains the benefits of eating cap i pota, a traditional Catalan stew made with calf’s head and leg and chickpeas. According to her, the gelatinous chunks of meat make the skin glow and fight wrinkles. “It works as well as the most expensive collagen facial cream available at stores,” she says with a cheeky smile.

Kim Díaz, a well-known local restaurateur and owner of Bar Mut tapas bar and El Mutis cocktail bar, wanted to pay tribute to one of the most humble and sadly underrated Spanish snacks, the sandwich. Sandwiches are generally made by most Barcelonan bars with defrosted cheap bread and greasy fillings, and good ones are not easy to find in the city (though we have written about some great ones). Entrepanes Díaz opened last February with the goal of giving the sandwich the respect it deserves.

The West has gone gaga for noodles, Japan’s most cherished comfort food. Hungry diners pack secret soba dens in Los Angeles for bites of hand-cut anything; they line up to plunk themselves down at sparkling counters offering $100 ramen tastings in New York and pick through ramen au beurre in Paris looking for the next new taste. In Tokyo, ramen masters are now competing for cult status within a ramen culture imported from the United States. Soba chefs are newly coveted for their skill in grinding, rolling, cutting and plating and are praised as master craftsmen.

During our previous trips to Istanbul’s “Little Gaziantep” – where we enjoyed the special techniques of Turkey’s culinary nerve center at the excellent Hizmet Kardeşler – we were tempted by what lay across the street. It was an alluring sight scarcely seen in Istanbul: the simple yet scrumptious nohut dürüm. The wrap of chickpeas, parsley and spices nestled within a formidable section of tırnaklı ekmek flatbread is the specialty at Hamo’nun Yeri (Hamo’s Place). Run by a family with roots in the Gaziantep district of Nizip, the restaurant’s name comes from the family patriarch.