This is wickedly rich, but nevertheless no one can resist a second helping. The crust of ground rice and cinnamon holds a soft, dark chocolate and egg yolk filling, topped with whipped cream.
Preheat the oven. Melt the butter for the crust and put on one side. Mix the ground rice, flour, caster sugar and cinnamon together in a bowl. Pour the butter into the mixture and mix thoroughly with a wooden spoon. Spoon the mixture into a 9–10-inch (23–25 cm) flan tin with a loose base and press firmly and evenly all over and up the sides.
To make the filling, break the chocolate into