TheFork users who ate in Garrucha have said really good things about Mesón del Pescador, BaRpublica and El Sitio - Vinoteca. Maybe you should give them a try!
Some of the more popular European restaurants that have been identified as being trendy in Garrucha according to TheFork users include:
Mesón del Pescador, with a 8.5 rating
BaRpublica, with a 9.8 rating
El Sitio - Vinoteca, with a 9.2 rating