This past October/November I spent many weeks going through the various mixing methods in detail. For the new year I thought it might be fun to do the same thing with the various leavening techniques. For while I frequently refer to the different forms of leavening in the day-to-day course of the blog, I’ve never written about them in any systematic way. I think (I hope) that doing so would make for some interesting reading, especially for you science nerds out there. So strap on your pocket protectors folks, we’re going in.