Developing a range of interesting idioms as part of your vocabulary is a good way of enhancing your linguistic skills.
Idioms related to Pan
Llamar al pan, pan y al vino, vino - To call a spade a spade.
Ser pan comido -To be as easy as pie.
Ser un pedazo de pan - be kind.
Venderse como pan bendito - To sell like hot cakes.
For many more idiomatic expressions click here.