Step 1

Preheat oven to 350 F (or 175 C).

Step 2

Massage the salmon fillets with about 1 teaspoon olive oil and sprinkle salt and pepper generously over them. Set aside (it's best if you can give them enough time to come to room temperature).

Step 3

Trim off the top and bottom of the onion, then cut in half lengthwise. Slice into thin half-rings.

Step 4

Quarter the lemon. Slice 3 of the lemon quarters into thin slices.

Step 5

Place a big piece of parchment paper over a baking tray. Spread a thin layer of onion half-rings on the parchment paper to create a bed for the salmon to sit on. Place the salmon fillets on the onion bed, then place dill, lemon slices and the remainder of the onion half-rings on top of it (see image below). Sprinkle salt and pepper. Squeeze the last lemon quarter all over.

Step 6

Fold the edges of the parchment paper to seal the package and then put the baking tray into the oven.

Step 7

Bake for about 30 minutes (more or less depending on how thick your fillets are).

Step 8

Remove from the oven and serve with more lemon.