Delicious japanese comfort foodcalm your insides or warm yourself in the morning with taimatsus pickled plum rice porridge known in japanese as kayu this porridge is made using fluffy chewy koshihikari rice from niigata prefecture and flavoured with umeboshi pickled plum from wakayama prefecture enjoy this soothing yet refreshingly tart plum flavoured porridge as it is or add a sprinkle of bonito flakes for extra umami