Sift flour and dry ingredients.  Blend in butter, add enough cold water to make a soft dough.  Roll this out to desired thickness in the shape of a rectangle.  Cover with blueberries and sprinkle well with sugar.  Roll up like a log.  Seal the rolled edge well, using toothpicks if necessary.  Wrap in a cheesecloth and tie ends.  Place in a saucepan of boiling water, with enough water to cover.  Cook on top of stove until done, about 30 to 45 minutes.  Slice and serve warm with thick fresh cream.
Margaret Berryman