Rest assured, these are the best (and all the rest).
Deewan, Vienna
Dee-whaaat? Pay-as-you-wish. Come as you are. Leave as a fish.
Aida, Vienna
Get the customer card for great discounts. Disregard what everyone else says.
Zabka, Krakow
Hotdog was good, but the Prinz Polo Bar was underwhelming. It was dark chocolate even though it shouldn’t be. Interesting… Great opening times. Closing thoughts: Come for a hotdog, stay for a while. Danish sauce is recommended (you can mix them).