FOR LOG: Mix together chocolate (or Scotbloc) and almonds. Stir in icing sugar and Kirsch. Gradually mix in sufficient egg white to form a paste. Spread mixture on foil or silicon paper to cover an area 12x4-inches.
FOR FILLING: Cream together butter and icing sugar in a bowl. Thoroughly beat in egg yolk, until light and fluffy. Stir in cherries. Spread filling evenly along center of log base. Fold over sides to enclose filling, Mold into a long roll.
FOR COATING: Immediately spread chocolate (or Scotbloc) on to greaseproof paper, then lightly roll log over it to cover. Chill until required. Cut into small sections as liked, and decorate with cherries.