There are hot dog stands everywhere in Amsterdam, including outside the Van Gogh Museum. Lucky for us, we needed some sustenance after elbowing our way through that mob scene. They had kraut, fresh pickles, and chopped onions.
Unfortunately I bailed on my promise (to myself) that I would try one of the ubiquitous herring sandwiches (sold at street stands and dressed with pickles and onions). It wasn't my fault: My traveling companion threatened to be traumatized.