# Mix the butter which is softened at room temperature, egg, starch, salt and castor sugar
by fingertips in a deep bowl.
# Grate chocolate and orange
rind thinly into the bowl. Add baking powder which is mixed with some flour
# Knead the mixture by adding flour
in it little by little until the dough stops sticking to your hands and reaches medium consistency.
# Divide the dough into 2 equal pieces. Shape each of them as a roll which has about 40 inches length.
# Then slice it into pieces each has 2 fingers length. Repeat the same processes for the remaining second part of the dough.
# Transfer the cookies into a greased baking tray. Place the tray into the oven which is preheated to 375 F. Bake the cookies for about 15 minutes.
# Meanwhile add the castor sugar
juice and mix.
# After removing the cookies from the oven, pour the orange
juice mixture all over the cookies urgently.
# It is advised to serve the cookies about 1 hour later.