Strawberry and chocolate flan

175g plain flour,plus extra for rolling out
2tbsp icing sugar
100g butter,chilled and cubed
150g dark chocolate
25g caster sugar
2 lrg eggs
2-3 drops vinilla extract
250g strawberrys,trimmed

Preheat oven to 200c/180c fan/gas 6.Sift flour and a pinch of salt into a bowl.Stir in the icing sugar and rub in butter with fingertips until it looks like breadcrumbs.Sprinkle over 2tbsp chillied water and mix with a knife until it forms clumps.Gather with your hands to make a dough.Put the pastry on a floured surface and roll out to a thickness of a £1 coin.Use to line a 23cm flan case.Prick the base and lay some baking paper inside.Weigh the paper down with dry rice.Bake for 10min.Remove the paper and rice and return to the oven for another 5min.Reduce the oven to 160c/140c fan/gas 3.Break the chocolate into squares and put in a bowl.Heat the cream until it is almost boiling and then pour over the chocolate.Stir until the chocolate melts.In another bowl,whisk the caster sugar,eggs and vanilla until creamy.Pour on the chocolate,then pour into the pastry case and cook in oven for 25min.Leave to cool.Slice strawberries and serve some on the flan.