OMG! Can you just taste this? Shown on potatoes, but what about on a burger? Hot dog? Fries?
This Hungarian pickle sauce recipe -uborkamartas - is a natural with fish, beef, potatoes, carrots and other dishes. Just vary the stock used according to its ultimate purpose -- beef stock for beef, fish stock for fish, chicken stock for poultry and so on.
Find the recipe here: http://easteuropeanfood.about.com/od/hungarianvegetagbles/r/picklesauce.htm