You will also need 2 x 8 in (20 cm) sandwich tins, 1½ in ( 4 cm)
1. Wet ingredients: Melt on a very low heat the chocolate and margarine, add soy milk and stir to combine well.
2. Set aside in fridge to cool. At least a few hours until set.
3. You can make a larger quantity and keep in an airtight container in the fridge for up to two weeks. It makes a good icing or confectionary middle.