Idiom of the Day
have a weakness for (someone or something)
to be unable to resist someone or something
The girl has a weakness for chocolate and is always eating it.
Usually eaten in Scandinavia this delicacy is made from aged stockfish and lye. Yes, lye. The corrosive alkaline substance also known as caustic soda is used to soak the fish for several days. After being removed from the lye the fish is so corrosive that it requires almost a week long bath of cold water just to become edible again.