This isn't really a recipe, just a suggestion for your hot drink repertoire. Try a cup of weak black tea, with a little sugar and about half a shot of sambuca or other anise flavored liqueur. Paco, the Spanish bartender at the Officers' Club at Torrejon Air Base recommended this to me when I had a cold back in the 80s. It's been filed away in the back of my brain, to be dusted off recently when I was recovering from pneumonia. It's very soothing for a sore throat. Now, I've decided that it really tastes amazing and should also be consumed by healthy people.