EL PISTO and LA CUCHARA DE SAN LORENZO were memorable for me. Gambas al Ajillo at the latter were superb. At EL PISTO, to for the salmorejo, mazamorra (another cold soup,) fried eggplant and, probably, anything on their menu. If I had to take every meal of my stay there, I’d be happy! And the atmosphere is fantastic… One tip would be to do some reading beforehand so you do not have to ask tons of questions of the waiters. They are kind, but very busy.