Nice. We've had one location here in town for a while, but I have an aversion to 'special burgers,' so I haven't been there yet. Let me know what you think.
First one I had was a simple cheese burger at this Steak n Shake relatively near São Bento station in Porto, real easy burger, stupidly better than Mc's or BK's but without any sort of surprise flavour profile, good meat, easy on the condiments (for my little, fragile and frail white genes) and very cool combo with the not-so-sweet brioche (?) bun!