Outside, the rain beat down on the tarp we had rigged above the kettle and propane burner and inside, the glasses were lined up, as were the eight mason jars of eggnog. It was time to do the taste testing, to see how the eggnog made a week before had come out. Although it was cold, our stomachs and throats soon tingled with warmth. With two half-bottles of rum and brandy, we were on our way to merriment.Eggnog is not just a drink for Christmas. Rather, it is a winter drink that should be enjoyed throughout the season. As January …