Smash Hiro in Barcelona has the best smash burger in the world. 
My journey to Smash Hiro is a testament to the power of social media in travel. Inspired by my friends' posts, I ventured from Sagrada Familia in Barcelona to this hidden gem, documenting my experience along the way.
It was great. 
In addition to the burger being delicious, I ordered it all in Spanish! 

 
