It is possible to eat together.

Drinking coffee taboos:

Drinking coffee coffee and alcohol is forbidden, wine contains alcohol, which has an excitatory effect, and coffee contains caffeine, which also has a strong excitatory effect.

Drinking coffee is best not to eat with fruit, coffee caffeine to destroy the vitamins in the fruit. Coffee and wine both produce a great deal of stimulation,

Coffee can not and seaweed, tea, black fungus with food, reduce the absorption of iron.

Bread in terms of eating, there is no taboo.

So it is OK.