First put 15 of the biscuits in a bag and bash the living daylights out of it, Just as if you were making a cheesecake base.
Add the crumbs to a bowl.
Chop the cherries and marshmallows in half and add them to the crumbs.
Lay out a sheet of tin foil, about 80cm long.
Scatter the coconut over it evenly and leave it for later.
Mix in the condensed milk.
Get your hands sticky and mix everything together.
Mould the mixture into a ball shape and remove from the bowl Transfer it onto the coconut coated tin foil.
Shape the mixture into a long sausage shape.
Make sure the sausage is coated in coconut.
Wrap up the tinfoil to cover the "sausage" and place into the fridge for as long as you can
Take out the "sausage" and cut into slices.
Eat!
Remember to place any leftovers back in the fridge or it will go soft.