This Eggnog Bread Pudding is a cozy, festive dessert perfect for the holiday season. It features cubes of bread soaked in a rich, spiced eggnog custard, baked to perfection until set with a tender, creamy center. Topped with a luscious homemade eggnog sauce infused with butter and spiced rum, this indulgent treat combines classic holiday flavors of cinnamon, nutmeg, and vanilla in a warm, comforting dish that serves 8.