Right out of the oven, you can drizzle the rolls with a little dulce de leche.
Prepare the day before
Just cover the pyrex pan containing the unrisen rolls with plastic wrap and refrigerate overnight. Remove the plastic wrap and let rise as usual in a warm and humid place or, for a quicker results, place the dish in a hot water bath.
To see if the dough is ready to be baked, press with the tip of a finger. If the print remains down, the rolls are ready for the oven.