Scandinavia's butter crisis is spreading. First Sweden ran into supply problems, in part blamed on a television chef urging everyone to use butter. Now Norwegians are facing a similar squeeze, as butter stocks have mysteriously melted away, sending prices soaring and shoppers frantically buying up slabs of the stuff wherever they see it. Imports and distribution have become sporadic at best, and as soon as word gets out about a delivery, butter disappears from the shelves within minutes. With the sense of national crisis deepening, the national daily Aftenposten ran a two-page spread with instructions on how to make your...