My Christmas Bread Pudding

One winter, the year that I was renting a flat in Madrid, a friend bestowed an enormous roscón de reyes on me—a Christmas ring cake adorned with sugar and candied fruit. We picked and nibbled for days, and when it got stale, I baked the leftovers into tasty pudding. As American bakeries don’t usually carry roscón, at home I’ve made a delicious version with panettone, the Italian Christmas cake. If you can’t find panettone, this will also be good made with brioche. Just increas