Cut the dough into 6 equal rectangles, place on a baking tray lined with baking paper.
Mix the apple slices with the lemon juice, spread on top of the pieces of dough along with the hazelnuts and chocolate. Place two corners each over the filling, press down gently in the middle.
To decorate and bake
Glaze the pastries with cream.
Bake for approx. 20 mins. in the lower half of an oven preheated to 180°C. Remove from the oven, leave to cool on a cooling rack. Dust with icing sugar before serving.