Juana La Loca
This tony gastro bar serves newfangled tapas that are well worth their higher-than-usual price tag. Spring for the tempura soft-shell crab bao with chive mayonnaise, garlicky artichoke flatbread, or any other tapa del día, but whatever you do, order the famous tortilla de patata, irresistible with its molten core and handfuls of caramelized onions. The dulce de leche "volcano," cooled off by a scoop of banana ice cream, may be Madrid's most craveable dessert.