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Sant Martí isn’t the Barcelona they show you on the glossy postcards. It’s a neighborhood of wide avenues, functional apartment blocks, and people who actually have to get up for work in the morning. It’s gray, it’s real, and if you know where to look, it’s where the culinary soul of the city hides when it’s tired of dodging selfie sticks in the Gothic Quarter. This is where you find Zia Carolina, a humble, glass-fronted temple to the Neapolitan gods of flour, water, and fire.
Walking into this place, you aren’t greeted by a host with a headset and a fake smile. You’re greeted by the smell—that intoxicating, primal scent of fermenting dough hitting a high-heat oven. It’s a small room, unpretentious to the point of being defiant. The walls don’t care about your Instagram feed. The chairs are there for sitting, not for lounging. You come here for one thing: a circular canvas of charred, leopard-spotted dough that would make a grown man in Naples weep with nostalgia.
Let’s talk about the crust. This isn't that cracker-thin, flavorless cardboard served at the tourist traps near La Rambla. This is Neapolitan sourdough with a pedigree. It’s soft, elastic, and carries the distinct tang of a long, slow fermentation. When it comes out of the oven, the 'cornicione'—that outer rim—is puffed up like a life preserver, blistered with the kind of beautiful, bitter char that only comes from intense heat. It’s the kind of bread you’d eat on its own, but here, it serves as the vessel for some seriously high-quality Italian imports.
The signature move here is the Pizza Zia Carolina. It’s a glorious, unapologetic middle finger to your cholesterol levels. We’re talking a white base topped with silky mortadella, creamy stracciatella cheese that leaks out like a delicious secret, and a dusting of toasted pistachios for crunch. It’s fat on fat on carb, and it is magnificent. If you’re a purist, the Margherita tells you everything you need to know about the kitchen. The tomato sauce is bright and acidic, the mozzarella di bufala is melted just to the point of surrender, and the basil is fresh enough to actually taste like something.
Before you face the pizza, do yourself a favor and order the Montanara. It’s a Neapolitan street food classic that doesn't get enough love: small rounds of pizza dough that are deep-fried before being topped with tomato sauce and parmesan. It’s hot, greasy, and life-affirming. It’s the kind of food that reminds you that the best things in life are usually fried and served on a paper napkin.
The service is exactly what it should be in a neighborhood joint: fast, efficient, and delivered with a thick Italian accent. There’s no ceremony here. You order, you eat, you drink a cold Peroni or a glass of honest house wine, and you leave happy. It’s one of the best Neapolitan pizzas in Barcelona, tucked away in a corner of the city where the only thing 'authentic' is the food and the people eating it.
Is it fancy? No. Is it a 'gastronomic journey'? God, I hope not. It’s just a damn good pizza place run by people who give a shit about the craft. In a world of over-hyped, over-priced dining experiences, Zia Carolina is a necessary corrective. It’s proof that you don’t need a view of the Sagrada Família to have a religious experience; sometimes, all you need is a well-fermented dough and a very hot oven in Sant Martí.
Cuisine
Bar, Italian restaurant
Price Range
€10–20
Authentic 24-48 hour fermented Neapolitan sourdough crust
Located in a non-touristy, local neighborhood for a genuine Barcelona experience
Specialized Neapolitan street food like Montanara and fried calzones
Carrer de Bac de Roda, 38
Sant Martí, Barcelona
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Absolutely, if you value authentic Neapolitan pizza over fancy decor. It offers some of the best price-to-quality ratios for Italian food in the Sant Martí neighborhood.
The signature Zia Carolina pizza with mortadella and pistachio is a must-try. For starters, don't miss the Montanara, which is traditional Neapolitan fried dough.
The space is quite small and popular with locals, so calling ahead (+34 604 13 76 36) is highly recommended, especially on weekend nights.
It is located on Carrer de Bac de Roda, just a short walk from the Bac de Roda Metro station (L2) in the Sant Martí district.
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