Measure first five ingredients into a saucepan.
Stir and bring to a boil.
Pour into a buttered pudding dish.
Sift dry ingredients into a bowl and cut in the butter.
Make a well in the centre and pour in the milk.
Stir until combined.
Spoon into the blue berry mixture.
Tie down with greased brown paper, or cover with foil.
Steam 1 hour.