Take the puff pastry out of the fridge about 10 minutes before processing. Roughly chop the nuts. Mix with cranberries and honey. Stir crème fraiche until smooth.
Unroll the doughs and cut them into 6 rectangles (each approx. 12 x 14 cm) (do not cut the baking paper underneath). Cut all dough rectangles diagonally at each corner for approx. 5 cm.
Place the baking paper on two baking trays.
Put a blob of crème fraîche on the middle of each piece of dough. Spread the nut and honey mixture over it. Fold all dough corners towards the middle and press them together well. Whisk the egg and milk together and brush the dough with it.
Bake the particles one after the other in a preheated oven (electric oven: 200°C/circulating air: 175°C/gas: level 3) for approx. 15 minutes until golden brown. Let them cool down. Dust with icing sugar and serve.