fresh berries or berry sauce, to serve
1 lemon, zest and juice
400g/14oz coconut cream
3 tbsp agar-agar
115g/4oz caster sugar
few drops vanilla essence
200g/7oz digestive biscuits, crushed
400g/14oz firm tofu
75g/3oz butter or vegan margarine, melted
200ml/7fl oz limoncello liqueur