Why locals love it: Pricey carte, no Plaza de Olavide signage, but the kitchen serves the city's reference Madrid tortilla, sliced thick and runny in the centre at 13:00 sharp.
Tip: Closed Sundays. Tortilla at 13:00; the second batch comes out at 14:30. The slice runs 6 euros at the counter.
Address: Calle de Trafalgar 35, 28010 Madrid
Why locals love it: Small Chamberi taberna behind an unmarked door, no signage, 24-cover dining room, the tortilla de bacalao and the daily-changing market pizarra anchor the local-only carte.
Tip: Book five days ahead for weekend lunch. Closed Sundays. The tortilla de bacalao and the daily fish are the headlines.
Why locals love it: Tucked-down-a-lane Chamberi neo-taberna with a tiny 18-seat dining room, a daily-changing market carte and the city's best croqueta de cocido made from leftover cocido meat.
Tip: Book ten days ahead for the seven-seat tasting counter. Closed Sun-Mon. Tasting menu 55 euros; carte 35 to 45 per head.
Why locals love it: 17th-century wine cellar dug under a Madrid street, with the dining room arranged across 12 stone-vaulted alcoves and a focused Castilian carte that few tourists find.
Tip: Book a week ahead for the corner alcove. Tasting menu 65 euros; carte 45 to 60 euros per head. Closed Sundays.
Why locals love it: Small Chamberi taberna behind an unmarked door, no signage, 24-cover dining room, the tortilla de bacalao and the daily-changing market pizarra anchor the local-only carte.
Tip: Book five days ahead for weekend lunch. Closed Sundays. The tortilla de bacalao and the daily fish are the headlines.
Why locals love it: Plaza Cebada working-quarter taberna locals send first-time visitors to; bullfighting prints on the wall, callos in clay pots and a 1956 zinc bar.
Tip: Walk-in. Cash preferred. Closed Wednesdays. The callos a la madrilena and the vermut de grifo are the working-day order.
Why locals love it: Tucked-down-a-lane Chamberi neo-taberna with a tiny 18-seat dining room, a daily-changing market carte and the city's best croqueta de cocido made from leftover cocido meat.
Tip: Book ten days ahead for the seven-seat tasting counter. Closed Sun-Mon. Tasting menu 55 euros; carte 35 to 45 per head.
Why locals love it: Conde Duque cellar bar behind an unmarked grey door; 60 by-the-glass Spanish wines and a tortilla con cebolla that runs the city's finest egg-and-onion variant.
Tip: Walk-in. Closed Sundays. The tortilla con cebolla runs 5 euros per pincho; the wine list is 60 by-the-glass.
Why locals love it: Cava Baja vermuteria behind an unmarked tile-fronted facade, with a 1925 zinc bar and a vermut crawl locals time at 13:30 Sundays for the Cebada market post-rastro hour.
Tip: Walk-in only. The Sunday vermut crawl 12:00 to 15:00 is the local hour. The vermut de grifo runs 3 euros.
