centro
Chocolateria San Gines off Calle Mayor in Madrid has fried the churros con chocolate since 1894; a set of 6 churros and a thick chocolate cup runs 4.30 euros, the cheapest 24-hour breakfast in the centre.
Try: Churros con chocolate
Tip: Walk-in only. Open 24 hours daily. Cash and card. The 03:00 to 05:00 post-club slot has the fastest queue.
retiro
La Castela near El Retiro in Madrid runs the working-day menu del dia at 18 euros: three courses with bread, water and a glass of wine, with the daily-changing pizarra carte for the regulars.
Try: Menu del dia weekday lunch
Tip: Book two days ahead for weekday lunch. The bar serves the same pizarra menu standing for half the dining room price.
lavapies
Casa Amadeo Los Caracoles on Plaza Cascorro in Madrid's Lavapies has cooked the caracoles in spicy chorizo broth since 1942; a racion serves two for 12 euros, eaten with bread at the standing-room bar.
Try: Caracoles a la madrilena
Tip: Walk-in only Sundays during the rastro market. Cash preferred. Closed Mondays. Sundays 12:00 to 16:00 is the local hour.
centro
Casa Labra near Puerta del Sol in Madrid fries the bacalao rebozado at its 1860-founded counter, with the pincho de bacalao still under 2 euros, a cana for 2.50 and the standing-room bar a working-day local.
Try: Pincho de bacalao
Tip: Walk-in only at the counter. Cash preferred. Bacalao plus cana under 4 euros; the dining room runs more expensive.
malasana
Casa Camacho in Madrid's Malasana has run the 1928 working-class taberna since its founding, with yayo cocktails for 3 euros, tortilla pincho 3 and a complete cheap lunch under 9 euros at standing-room.
Try: Yayo cocktail and tortilla
Tip: Cash only. Closed Sundays. Walk-in only at the standing-room bar. Whole meal under 9 euros each.
centro
Bar La Ideal off Plaza Mayor in Madrid is the bocadillo de calamares counter where a full bocadillo, cana and a slice of lemon runs under 8 euros, defining the Madrileno cheap working-day lunch since 1955.
Try: Bocadillo de calamares + cana
Tip: Walk-in only at the counter. Bocadillo 5.50 euros, cana 2.50; cash preferred at the bar.