Bread

Bread is a vanilla food item in Minecraft. It has item ID 297 and restores 2 1/2 hunger bars.

As food
Both FnD and FMB nearly always have bread in their inventory. FMB used to get it from their farm, though it is unknown how FnD get hold of it. As of yet, it has only been significant in season 3 and so far has not appeared in season 4.

As a telecommunication device
Bread has another attribute other than being food and that is as a telecommunication device. When bread is put into the parachute inventory slot, bread's special ability allows Finbar and David to communicate with Rob and Rich without the use of the chat bar.