Cook the pasta in boiling salted water for about 10 minutes. Then drain. In the meantime, wash the fish, dab dry and cut into cubes. Season with salt and pepper. Heat the oil. Fry the fish cubes for about 4 minutes, turning them carefully, and take them out. In the meantime, wash lemon and lime, cut into thin slices and turn briefly in the frying fat.
Also put aside. Pluck sage leaves from the stalks. Melt the fat in the fish pan. Steam hazelnut leaves and sage for 2 minutes. Swivel the noodles in it. Carefully fold in the fish. Arrange on plates garnished with fried lemon and lime slices