1 lemon, juice only
2 lemongrass stalks very finely chopped to almost a powder
700驳/1陆濒产 rhubarb
110g/4oz icing sugar
140g/5oz unrefined organic sugar
4 tbsp white chocolate, grated or peeled into shavings
150ml/录 pint cr猫me fra卯che (preferably organic) or 1 small carton
150ml/录 pint mascarpone cream
1 small glass sweet wine, optional