Here is tasty place, it is simply amazing...
(just a 2 minute walk from the Chueca Metro stop)

Restaurante Vegaviana
Cocina vegetariana
C/Pelayo, 35
(Metro Chueca)
28004-Madrid
telef: 91 308 03 81
www.accua.com/vegaviana

order it all, you cant go wrong!