Roll out the pastry and line 2 9" pie pans.Prick the pie shells all over with a fork.
Bake for 3 minutes.
Prick again and pat the pastry up the sides of the pan with the back of a fork if it is slipping.
.bake 2 minutes longer, then remove from the oven to cool.
Meanwhile, prepare the filling. Slowly beat together the eggs, lemon juice, orange juice, sugar, cream, vanilla and lemon zest and salt until the mixture is combined but no bubbles or froth has formed.
Pour the mixture into the baked shells and bake 30-35 minutes, or until the filling is deep golden on top.