James Tanner makes a delicious lemon tart with raspberries and white chocolate on Lorraine for a late summmer treat.

The ingredients are: 1 x 300g pack sweet pastry (or 1 x 20cm sweet pastry shell), 1 beaten egg yolk to glaze pastry, 5 free-range eggs, plus 1 egg white, Small amount of flour for the work surface to roll pastry on, 150g caster sugar, Zest and juice of 5 lemons, 200ml whipping cream, 250g fresh raspberries, White chocolate shavings for garnish,1 tbsp icing sugar to garnish and Mint leaves.