Preheat oven to 200 degrees C. Put patty cups into muffin tins.
Cake: Put the butter, sugar, egg and flour into a mixing bowl stir together until well mixed
Sift baking powder and cocoa powder into the bowl. Add the milk and mix together.
Use a tablespoon to divide mixture into patty cups.
Bake for around 20 to 25 minutes until springy on top.
To Decorate: Make icing and add food colouring of your choice.
Ice the cakes with icing and while still wet place on liquorice legs. For eyes cut small marshmallow pieces in half and add a drop of black food colouring for the pupils.