Freshly fried, grilled, or baked salmon with a crispy exterior and tender interior is a culinary pleasure when it's done right. Cooking salmon perfectly can be tricky: Undercooked, and it's mushy.

Here’s a simple way to make fish that is always juicy and flavorful. I cook the fish in a parcel, allowing it to steam with herbs and vegetables which flavor the fish. The parcels can be served ...