When the Bob and I were last in London one of the most fun restaurants we visited was called Bubbledogs (https://gigglinggourmand.wordpress.com/2014/01/10/bubbledogs-london/). It seems to have become a trend everywhere to open restaurants that serve all sorts of interesting takes on the regular old frank.
I’ve never been a huge hot dog fan but when you pile them with toppings suddenly they seem far more interesting. These versions we made at home today included avocados, daikon, kale kimchi, and Japanese mayonnaise. Maybe not all American but pretty darn delicious. (