Place the cream, lemon juice and sugar into a pan and bring to the boil.
It is important to stir continuously to prevent the sugar burning at the bottom of the pan.
Once the cream mixture has been brought to the boil it can be placed in the serving dishes. The possett should now be allowed to cool. This usually takes two hours in the fridge
Put the blueberries, sugar and water into a pan and bring to the boil, stirring from time to time.
Once brought to the boil add the vodka. Simmer for 2 mins and allow to cool.
This recipe calls for 3 dessert spoons but more can be added to taste!!!
Once cooled the blueberries can be spooned over the lemon cream mixture