noun
winter solstice adzuki bean rice gruel
A traditional dish eaten on the winter solstice, believed to ward off disease-causing demons. The practice is rooted in folk customs.
冬至には冬至粥を食べて無病息災を願う。
On the winter solstice, we eat winter solstice adzuki bean rice gruel to pray for good health.
小豆粥 is a general adzuki bean rice gruel eaten on various occasions, not specifically tied to the winter solstice.
From 冬至 (winter solstice) + 粥 (rice gruel). The custom of eating adzuki bean gruel on the solstice is an old folk practice to expel evil spirits and prevent illness.