Castilian asador€€€centro
Sobrino de Botin near Plaza Mayor in Madrid is the Guinness-certified oldest restaurant in the world, in business since 1725. The wood-fired oven roasts cochinillo segoviano daily.
Signature: Cochinillo asado, Cordero asado, Sopa de ajo
Order: The cochinillo asado roasted in the 1725 wood oven, then sopa de ajo with poached egg.
Tip: Book the cave dining room downstairs three weeks ahead. Lunch is calmer than dinner; the 14:00 service is the working-day local hour.
Madrileno taberna€€centro
Los Galayos in Plaza Mayor in Madrid has cooked the Castilian roast lamb and the migas pastoriles since 1894, with a terrace under the arcades and wood-fired ovens in the basement.
Signature: Cordero asado, Migas pastoriles, Patatas bravas
Order: The cordero asado from the wood oven (1/4 lamb portion) and the migas pastoriles with grapes.
Tip: Book the inside dining room for cordero; the terrace is fine for tapas but the lamb needs the wood oven downstairs.
Castilian asador€€centro
El Sobrino del Padre in Madrid's Centro serves lechazo (suckling lamb) from the wood oven, with the Castilian roast canon running through cordero, cochinillo and tostones de sopa de ajo.
Signature: Lechazo asado, Sopa de ajo, Patatas a lo pobre
Order: The lechazo asado (1/4 portion serves one) and the sopa de ajo. A glass of Ribera del Duero crianza.
Tip: Book three days ahead for weekend lunch. Lechazo orders must be placed when reserving; lamb is slow-roasted overnight.
Castilian asador€€la-latina
Casa Paco off Plaza Puerta Cerrada in Madrid's La Latina is the 1933 asador that pioneered the cast-iron skillet chuleton service: meat is sealed at the front of the room, then finished in the oven.
Signature: Chuleton de ternera, Cochinillo, Callos
Order: The chuleton de ternera for two (450g per person, 28 euros per head) and the callos in winter.
Tip: Walk-in only at lunch; reservation taken for dinner. The downstairs dining room is the wood-panelled original.