Sweet bread pudding layered with cheese, nuts, and piloncillo syrup is a Lenten tradition. This family-friendly dessert is a rich, comforting, sweet-savory treat of the Cuaresma season.
Prepare syrup: In a saucepan over medium heat, combine piloncillo (or brown sugar), water, cinnamon stick, and cloves. Simmer, stirring occasionally, until syrup thickens—about 12–15 minutes. Remove from heat and stir in vanilla extract; discard spices.
Butter the bread: Spread half the butter over both sides of sliced bolillo rolls. Arrange slices on a baking sheet and toast under a broiler (or in a hot oven at 400°F), turning once, until golden and crisp—about 5 minutes per side; cool.
Layer in baking dish: Grease a 9x13 inch baking dish with remaining butter. Layer one-third of the toasted bread in the dish. Sprinkle with one-third of the cheese, raisins, and pecans. Repeat to make three total layers.
Add syrup: Evenly pour warm piloncillo syrup over the layered bread mixture, ensuring all pieces are moistened. Gently press layers with a spatula to help absorb syrup.
Bake: Cover with foil and bake at 350°F (175°C) for 30 minutes. Uncover, bake an additional 10 minutes until golden and bubbling. Let cool 15 minutes before serving to allow flavors to meld and texture to set.