Spread out the puff pastry, brush with creme fraiche, spread the ham on top so that everything is covered. Now season as you like, you can decide according to taste and imagination.
Now start rolling the dough with the longer side, wrapping the baking paper, which is included with the fresh puff pastry, around the outside of the roll and placing it in the freezer for some time. This will make it easier to cut into thin strips later.
After the freezer, as already mentioned, cut into thin slices and, if necessary, distribute two on a baking sheet lined with baking paper. With circulating air at 180-200 ° C for 15-30 minutes, depending on the degree of browning (a matter of taste) in the oven.