Cut a large sheet of cellophane paper then place it on the work surface.
Place the salmon/trout slices on the cellophane paper, placing them so as to obtain a large rectangle.
Make a line with the cheese on the bottom of the salmon slices, like preparing a maki.
Add thin slices of avocado to the cream cheese (and / or cucumber if desired). Season with salt and pepper.
Gently roll using cellophane paper, tightening the roller tightly. Once rolled, rewrap in cling film and place in the refrigerator for a minimum of 4 hours so that all the flavors can be revealed during tasting.
Cut the rolls and add the seeds of your choice as well as freshly chopped chives.
you can mix avocado or crushed peas with fresh goat cheese
it is also possible to add cucumber in thin sticks