Mix up the chocolate cake adding in the egg and water and chopped cherries and juice. Mix throughly.
Choose a pudding dish suitable to fit your SC .
Line the bottom with the marshmallows, and pour in the batter .
Cook on high for approx 2 hours with tea towel under the lid.
This is a very sticky pudding because of the marshmallows .
Allow to cool and then serve with IceCream and ice magic or chocolate topping.