Mystery Raisin Bran Muffins

I call these “mystery” muffins not because they contain some secret ingredient but because, frankly, I’ve never remembered or figured out who the “Ann” is/was on the handwritten recipe in my file. Lord knows there must be a dozen or so Anns around the South whom I’ve begged for recipes over the years, but none whom I’ve asked turns out to be the mystery lady behind this formula. No matter. These have been my standard breakfast bran muffins for years, and they are unfailingly sublime. Best o