Wash the fillet and dab dry. Heat the oil. Brown the fillet all around. Season with salt and pepper. Fry for about 15 minutes at medium heat until done. Add sesame seeds briefly to the frying fat.
Add the pistachios. Drizzle the fillet with it. In the meantime wash and clean the strawberries and cut them into fine slices. Wash the basil and remove the leaves. Loosen 8 outer salad leaves, wash and dab dry.
Clean and wash the rest of the salad and cut into fine strips. Cut the fillet into fine slices. Place 2 lettuce leaves as small bowls inside each other. Mix the prepared salad ingredients. Fill salad bowls with them.