NOEL KING, HOST:
Good morning. I'm Noel King. One of the most common symptoms of COVID-19 is the loss of taste or smell. Two British chefs are determined to help out. Ryan Riley and Kimberley Duke have written a cookbook. It combines culinary science and medical research. It's designed to help people recovering from COVID unlock more noticeable flavors. Vegetarian pineapple tacos and umami-flavored biscuits are among the options. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.