This is a strange one: How to make edible conic sections! You can find the details at Evil Mad Scientist. If you enjoy maths-related cooking, then see my post on Tau-nados. Does anyone else have any other...

International Pi Day is approaching (14th March) and the world is looking for exciting recipes for pies to celebrate such an important date in the calendar. Well, here’s a great idea. They are called “Tau-nados”. In order to get the pun one has to pronounce tau in the English way (“tor”) rather than the American way (sounds like cow). The idea is that you get two pies in one – hence the tau from 2 pi. And not only that the pies are twisted to form a double helix! See the website http://www.instructables.com/id/Tau-nados/ for the recipe. Here’s a taster of what they look like: Thanks to Joseph Lindenberg for bringing this to my...