Salmon Wellington is an elegant and impressive dish that is perfect for special occasions or a fancy dinner party. The salmon fillet is wrapped in puff pastry along with a flavorful mixture of sautéed mushrooms, spinach, and herbs. The puff pastry creates a golden and flaky crust, while the salmon remains moist and tender. Serve this salmon Wellington with a side of roasted vegetables or a creamy dill sauce for a truly indulgent meal that will wow your guests.