I had the suspicion that my baking powder had lost its leavening effect. I’ve been using up this container of baking powder for almost a year now so I thought it was the problem when a batch of muffins didn’t rise. I was very well prepared to bang my head on the spot reserved for baking failures on my wall, but as I would later find out, it was the recipe’s faulty instructions that were to blame. Thank goodness. I did follow the usual storage instructions for baking powder: store in an airtight container at room temperature in a dry place, away from any source of heat. I never put…
