Set your oven to 170. Mix blue band and sugar beat them till it turns white.add the lemon rind and mix well.

Beat the eggs in a different bowl,then add to the first mixture mix till they mix well.

Mix the flour with the baking powder, and using a sieve pour the flour into your mixture,mix gently and do not over do it

Apply your baking tray croma place a greese prove paper then pour the mixture and place it in the oven.

Let it cook for about 15min.