For the filling you will need
Beat the condensed milk, the cream and the strawberry tang juice in a blender. Reserve.
In a bowl, melt the two chocolate bars (bain marie or microwave)
Use disposable bodies, and place a layer of melted chocolate and take it to the freezer for 10 minutes.
After repeating the same process and taking it to the freezer again for 10 minutes.
Put the strawberry filling you reserved and cover with chocolate again.
Place in the freezer for approx 30 minutes
Then cut the plastic cup and serve.