To make simple egg dosas u all need only these....

besan flour 1 cup
egg 1
salt
oil
water 1/2 cup

Method:

First of all mix besan flour with water,then add egg salt,pepper(opt)and beat well till it becomes frothy.
Now pour on a tava like how u make dosas and tasty egg dosas are ready, serve hot with any spicy gravy(veg or nonveg).
Very easy and simple isnt it.