(The name is an understatement.) This cake is perfectly moist and tender, lightly spiced, and studded with dates and nuts. Then there’s the sauce. Buttery, rich, and addicting, it’s pure indulgence and really makes the cake. My Grandma has made this cake every Christmas for decades, with rave reviews. She makes mini versions as gifts for friends and neighbors, and it’s become a staple at our family holiday gatherings. (Behind her back, Grandpa would sneak to the fridge and steal spoonfuls of the sauce if he ever got the chance.) This year we aren’t having our usual big family get-together, however, so I decided to give Grandma’s recipe a try…