Preheat oven to 350°F, Gas mark 4, 180C.
cut the butter into small cubes and mix with the flour in a mixing bowl until like fine breadcrumbs.
Stir in the muscovado sugar, ground cinnamon and the grated lemon rind.
Stir in the egg yolk and enough water to mix into a soft dough.
Knead dough on a floured surface until smooth then roll out a quarter inch (0.5cm) thick.
Cut out biscuits with a rabbit shaped cookie cutter or make a template and cut out biscuits with a knife. Place on ungreased baking sheets and bake for 10-15 minutes until a pale golden colour.
Transfer to a wire rack to cool completely.
Decorate with currants for eyes and marshmallows for tails, fixing them with a little decorating icing.
Submitted by: Tina