Cut a sheet of grilling paper in half with scissors across the wood fibers and dip the halves in water for 10-40 minutes.
Preheat the oven to 180 °C.
Mix the oil, salt, pepper and finely chopped dill, onion and marinate the salmon fillet, cut in half into 2 portions, for 30 minutes.
Cut the lemon into slices about 5 mm thick.
Grease the sheets of grilling paper with oil and place the pieces of marinated salmon in the center, along the wood fibers, skin up. Put 1-2 slices of lemon.
Wrap the products in sheets and roll the rolls so that the seam is at the bottom.
Place the rolls on a preheated baking sheet or baking dish and place in the oven.