Mary Berry Recipes

Home / Dinner / Classic Salmon En Croûte with a Creamy Dill Filling

Oh, there's something truly special about a beautifully baked Salmon En Croûte, isn't there? It’s a dish that always brings a smile, a real centrepiece that looks incredibly impressive but is, in fact, wonderfully manageable. I've always adored how the crisp, golden pastry encases the tender, flaky salmon, keeping it moist and utterly delicious. It's a culinary hug, if you will, perfect for a special gathering or simply to elevate a weeknight meal into something memorable.

This recipe has been a firm favourite in my own kitchen for many years, evolving slightly over time to ensure sheer perfection with every bake. The secret lies not just in the quality of your ingredients – always choose the freshest salmon you can find – but also in the delicate balance of flavours within the filling. A touch of fresh dill, a hint of cream, and perhaps a whisper of lemon zest can truly transform the experience, making each bite an absolute delight.

Don't be daunted by the idea of working with pastry; with a good quality ready-made puff pastry, this dish becomes a joy rather than a chore. My aim is always to guide you to create something truly delicious with confidence, and this Salmon En Croûte is no exception. Follow these simple steps, and you'll soon be presenting a dish that will earn you compliments aplenty, a testament to good, honest home cooking.

Why You'll Love This Recipe

Combines flaky, golden pastry with succulent, moist salmon for a delightful texture contrast.
The creamy dill and lemon filling perfectly complements the richness of the fish, adding freshness and flavour.
Looks incredibly impressive and elegant, making it ideal for entertaining, yet uses readily available ingredients and is surprisingly simple to assemble.

Ingredients

500g (1 lb) skinless, boneless salmon fillet
375g (1 block) ready-rolled puff pastry
2 tbsp olive oil
1 small onion or 2 shallots, finely chopped
100g (3.5 oz) fresh spinach, wilted and squeezed dry
150g (5.3 oz) cream cheese (full fat for best results)
2 tbsp fresh dill, finely chopped
1 tbsp fresh parsley, finely chopped
Zest of 1/2 lemon
Salt and freshly ground black pepper to taste
1 large egg, beaten (for egg wash)
A pinch of nutmeg (optional)

Equipment Needed

Large mixing bowl • Small frying pan • Chopping board • Sharp knife • Baking tray • Parchment paper • Pastry brush • Spatula

Step-by-Step Instructions

Prepare the Filling: Heat the olive oil in a small frying pan over medium heat. Add the finely chopped onion or shallots and cook gently for 5-7 minutes until softened and translucent, but not browned. Remove from the heat and let cool slightly.
Combine Ingredients: In a medium bowl, combine the cream cheese, wilted and squeezed dry spinach, cooled cooked onion/shallots, chopped dill, chopped parsley, and lemon zest. Season generously with salt, pepper, and a pinch of nutmeg if using. Mix everything together thoroughly until well combined.
Prepare the Salmon: Pat the salmon fillet dry with kitchen paper. Season both sides lightly with salt and pepper.
Assemble the En Croûte: Unroll the puff pastry sheet onto a lightly floured surface or directly onto a baking tray lined with parchment paper. If your pastry is rectangular, you might need to trim it slightly or roll it out a little to accommodate the salmon.
Layer the Filling: Spread half of the cream cheese mixture evenly over the centre of the pastry, leaving a generous border (about 2-3 cm or 1 inch) all around the edges.
Position Salmon: Place the seasoned salmon fillet on top of the cream cheese mixture. Spread the remaining cream cheese mixture evenly over the top and sides of the salmon, ensuring it's completely covered.
Enclose the Salmon: Carefully bring one long side of the pastry over the salmon and filling, pressing it gently against the other side to meet and seal. You might need to stretch the pastry slightly. Trim any excess pastry from the sides if necessary, leaving enough to create a neat seal.
Seal and Decorate: Press the edges firmly together to seal, you can use the tines of a fork to create a decorative pattern. If desired, you can use any pastry trimmings to create decorative shapes (leaves, fish scales) and place them on top. Make a few small slits in the top of the pastry with a sharp knife to allow steam to escape during baking.
Egg Wash: Brush the entire surface of the pastry with the beaten egg wash. This will give it that beautiful golden sheen.
Bake: Preheat your oven to 200°C (180°C fan/Gas Mark 6). Carefully transfer the assembled Salmon En Croûte to a baking tray if it's not already on one. Bake for 30-35 minutes, or until the pastry is beautifully golden brown and puffed up, and the salmon is cooked through. If the pastry starts to brown too quickly, you can lightly cover it with foil.
Rest and Serve: Once baked, remove from the oven and let it rest for 5-10 minutes before slicing. This allows the juices to settle and makes for easier carving. Serve immediately.

Perfect Substitutions

Puff Pastry: While ready-rolled is easiest, you can certainly use homemade puff pastry for an even more luxurious touch.
Spinach: Cooked and squeezed watercress or finely chopped leeks (sautéed) could be lovely alternatives.
Cream Cheese: Mascarpone or even a firm ricotta could work, though they might be slightly thinner.
Dill/Parsley: Chives or tarragon would offer different but equally delicious flavour profiles.
Salmon: Cod or other firm white fish fillets could be used, but adjust cooking time as needed.

Serving Suggestions

This glorious Salmon En Croûte is quite substantial on its own, so I always recommend serving it with something light and fresh. A simple green salad with a zesty vinaigrette is absolute perfection, cutting through the richness beautifully. Steamed new potatoes or a medley of seasonal steamed vegetables, perhaps some tender asparagus or green beans, would also make for a wonderfully balanced and elegant meal. If you enjoyed this, you might also love our Hearty Garden Vegetable Soup and Hearty Chilli Con Carne.

How to Store \u0026 Reheat

Any leftover Salmon En Croûte can be stored in an airtight container in the refrigerator for up to 2 days. To reheat, I find it best to do so gently in a preheated oven at 160°C (140°C fan/Gas Mark 3) for about 15-20 minutes, or until thoroughly heated through. This helps to crisp up the pastry again. Microwaving is possible, but the pastry will lose its crispness. I don't recommend freezing this dish once cooked, as the pastry can become soggy upon thawing and reheating.

Mary's Secrets to Success

For a truly magnificent result, always ensure your puff pastry is properly chilled before you begin; it makes it so much easier to handle and ensures a beautifully flaky bake. Don't be shy with the seasoning for your filling – a well-seasoned dish is a happy dish! And when you're sealing the pastry, press those edges firmly, dear, to keep all that lovely filling safely inside. A sharp knife for those steam vents is crucial for that perfect puff!

Frequently Asked Questions

Can I prepare this in advance?

You can assemble the Salmon En Croûte up to 4 hours ahead of baking. Cover it loosely with cling film and refrigerate. Remember to egg wash just before baking.

How do I know when the salmon is cooked through?

The best way is to use a meat thermometer inserted into the thickest part of the salmon; it should register 60°C (145°F). The pastry will also be deeply golden and puffed.

What if my pastry tears?

Don't fret, dear! Puff pastry is quite forgiving. Simply pinch the torn edges together and press firmly. You can even use a small piece of trimmed pastry as a patch.

Can I add other vegetables to the filling?

Absolutely! Finely diced, sautéed mushrooms or roasted red peppers (cooled and chopped) would be delightful additions, just ensure they are well-drained to prevent a soggy bottom.

My pastry isn't golden, what went wrong?

Ensure your oven is at the correct temperature and you've used a generous egg wash. If it's still pale, you can increase the oven temperature slightly for the last 5-10 minutes, but watch it carefully!