Sprinkle the parchment with sugar. Tip the cooked sponge onto the parchment, base upwards. Carefully peel the parchment from the base of the sponge. Leave to cool completely. To assemble the roll ...

To make the arctic roll, place a roll of clingfilm on a chopping board. Carefully turn the chocolate sponge onto the clingfilm. Place the icecream onto the clingfilm. Use the clingfilm to help ...