Quick Oven and Air Fryer Salmon Fillet with Spinach and Feta in Puff Pastry

by Elisabeth Duckeck

Salmon fillet in puff pastry with feta cheese and spianch

Quick Oven and Air Fryer Salmon Fillet with Spinach and Feta in Puff Pastry

This easy Salmon en Croûte recipe features tender salmon and spinach wrapped in flaky puff pastry, perfect for the oven or air fryer. Whether using fresh or frozen fillets, this simple "salmon in pastry" dish is a filling, all-in-one meal that you can customize with feta cheese and homemade Herbes de Provence.
Course Main Course
Cuisine Fish
Servings 4 servings
Calories 1360 kcal

Equipment

  • 1 Baking tin when using the convection oven

What you need
  

For the spinach filling

  • 350-400 gr (12-14 oz.) leaf spinach (fresh or frozen)
  • 1 tsp olive oil
  • 1 small onion
  • 50 ml (¼ cup) dry white wine
  • 1 Tbsp lemon juice
  • ½ tsp Herbs de Provence
  • some salt
  • some pepper

For the Feta stuffing

  • 100 gr (3.5 oz.) Feta cheese (optional)
  • 200 gr (7 oz.) light cream cheese
  • 1-1½ Tbsp breadcrumbs

For the salmon fillets

  • 4 fresh salmon fillets without skin (each 250 gr / appr. 9 oz.)
  • 1 Tbsp lemon juice
  • Some salt
  • Some pepper

For the puff pastry

  • 2 dough sheets puff pastry
  • 1 egg yolk
  • 1 tsp sesame seeds (optional)

How to prepare
 

  • Preheat the oven on 180°C (350℉).

Preparing the filling:

  • Finely chop the onion and sauté it in a saucepan with 1 teaspoon of olive oil until translucent. Add the spinach and sauté over medium heat until soft.
    350-400 gr (12-14 oz.) leaf spinach,1 small onion,1 tsp olive oil
  • Deglaze with white wine and 1 Tbsp of lemon juice, add the herbs de Provence, salt and pepper. Simmer over medium heat for about 5 minutes, until some of the liquid has evaporated.
    50 ml (¼ cup) dry white wine,1 Tbsp lemon juice,½ tsp Herbs de Provence,some salt,some pepper
  • Crumble the feta cheese into a bowl and mix with the cream cheese. Add the mixture to the spinach. Stir well until everything forms a smooth sauce.
    100 gr (3.5 oz.) Feta cheese,200 gr (7 oz.) light cream cheese
  • The filling for the puff pastry will now be quite runny. Add enough breadcrumbs until the filling has a creamy, slightly thick consistency. It's important that the filling isn't too runny, as otherwise the puff pastry will absorb it and won't crisp up after baking. The breadcrumbs will help absorb the liquid. Set aside to cool.
    1-1½ Tbsp breadcrumbs

Preparing the salmon fillets

  • Wash the salmon fillets, pat dry with kitchen paper and drizzle with a little lemon juice on both sides, season with salt and pepper.
    4 fresh salmon fillets without skin,1 Tbsp lemon juice,Some salt,Some pepper

Assemble with the puff pastry

  • Cut each puff pastry sheet in half (quarter if using the small fillets from the supermarket). Place a salmon fillet on each square, tucking in the thinner part of the fillet to ensure the fillets are roughly the same thickness.
    2 dough sheets puff pastry
  • Spread some of the filling on top and along the long sides of the fish. Make sure there's enough filling for all four fillets. Fold the dough over it lengthwise by making small parcels. Then close the short sides and press them together firmly with a fork.
  • Whisk the egg yolk and brush it over the top and sides of each parcel. Sprinkle with some white and black sesame seeds, if desired.
    1 egg yolk,1 tsp sesame seeds
  • Cut several times (diagonally or crosswise) across the top of each parcel with a sharp knife. This is important to allow steam to escape and ensure the puff pastry becomes nice and crispy.
  • Bake in a convection oven for 30-35 minutes or in an air fryer at 180°C (350℉)for 20-25 minutes until golden brown.
    Salmon Fillet in puff pastry with spinach and feta cheese baked in the air fryer

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