Salmon Wellington Recipe: Easy Puff Pastry Salmon — Spinach, Dill & Cream Cheese Filling 2025

Salmon Wellington, also known as salmon en croûte, is an elegant, restaurant-style dish that wraps a well-seasoned salmon fillet in flaky puff pastry. It combines the rich, buttery texture of pastry with tender, moist salmon and a flavorful filling—most commonly a mixture of sautéed spinach, cream cheese, herbs, and lemon.

This dish looks impressive, makes a beautiful centerpiece for holidays or dinner parties, and can be scaled to make individual portions or a family-sized roast. The recipe blends approachable techniques with classic flavor pairings, allowing home cooks to produce a memorable main course without professional pastry skills.

With attention to moisture control and even cooking, Salmon Wellington delivers a contrast of crisp exterior, creamy filling, and perfectly cooked fish in the center.

Also read: Fresh & Healthy Rice Paper Rolls

What is Salmon Wellington?

Salmon Wellington is a variant of the classic Beef Wellington. Instead of beef, a whole salmon fillet or individual salmon portions are layered with flavorful fillings and often prosciutto, then sealed inside puff pastry and baked until golden. The technique protects the protein from direct oven heat, producing a moist interior while the pastry becomes crisp and flaky.

Regional and modern adaptations include using phyllo dough, adding vegetables like asparagus, or preparing single-serving parcels for easier plating. The dish’s French name, en croûte, simply means “in a crust,” and though it looks formal, the assembly is straightforward with a few practiced motions.

Nutritional highlights

Salmon Wellington offers a balance of healthy fats, protein, and carbohydrates. Salmon is rich in omega-3 fatty acids (EPA and DHA), high-quality protein, B vitamins (especially B12), selenium, and vitamin D.
Spinach contributes fiber, vitamin K, vitamin A, iron, and folate.
Cream cheese or Boursin adds calcium and fat-soluble vitamins, while puff pastry contributes calories from butter and carbohydrates.
When prepared thoughtfully—using moderate pastry, lean salmon portions, and a vegetable-forward filling—this dish can fit into a balanced meal plan that supports heart and brain health thanks to salmon’s omega-3s.

Main ingredients and why they matter

Salmon (the star)

Quantity: 900 grams (about 2 pounds) of center-cut salmon fillet, skin removed, or three 300 g portions.
Explanation: Choose fresh, high-quality salmon—the flavor and texture are central to this recipe. Wild-caught salmon often has firmer texture and more pronounced flavor, while farmed salmon tends to be milder and fattier.

Removing the skin prevents excess moisture and simplifies slicing after baking. A center-cut fillet keeps thickness even so it cooks uniformly: aim for roughly 3–4 cm thickness at the thickest point.

Puff pastry

Quantity: 450 grams (one standard double-sheet package or two single 225 g sheets).
Explanation: Puff pastry provides the golden, flaky crust that makes Wellington visually striking. Use high-quality store-bought puff pastry or make laminated dough if you prefer a from-scratch approach.

Thawed, well-chilled pastry is easier to handle; keep it cold so butter layers remain distinct for maximum flakiness. If you need a lighter option, phyllo dough can be used in multiple brushed layers, but baking time and technique will change.

Spinach (for the bed)

Quantity: 300 grams fresh baby spinach (about 10–12 cups loosely packed) or 200 grams frozen spinach, thawed and well-drained.

Explanation: Spinach adds color, nutrients, and moisture control. Sautéing fresh spinach reduces volume and concentrates flavor.

If using frozen spinach, squeeze out as much liquid as possible to keep pastry crisp. Spinach also creates a cushion between salmon and pastry and carries seasonings—garlic, lemon zest, and cream cheese—without overpowering the fish.

Cream cheese / Boursin / Ricotta mixture

Quantity: 200 grams cream cheese (about 7 oz) or 150 g Boursin-style cheese, or 200 g ricotta mixed with 50 g grated Parmesan.

Explanation: A soft cheese adds creaminess and helps bind the spinach filling. Cream cheese and Boursin bring a rich, tangy element; ricotta has a lighter texture and can be enhanced with Parmesan for savory depth. Herbs like dill, chives, and lemon zest marry well with these cheeses. Avoid watery cheeses to prevent soggy pastry.

Prosciutto or thin smoked bacon (optional)

Quantity: 6–8 thin slices prosciutto (about 80–100 g) or 120 g thinly sliced smoked bacon, cooked until just set.

Explanation: Prosciutto adds a savory barrier that helps keep pastry from getting wet and brings umami. It also flavors the fish subtly. Use it only if desired; for a pescatarian version skip prosciutto. If using bacon, briefly cook to render fat but keep it pliable for wrapping.

Dijon mustard & lemon

Quantity: 2 tablespoons Dijon mustard; zest and juice of 1 medium lemon (about 1 tablespoon juice).

Explanation: Dijon and lemon brighten salmon’s natural richness. Mustard adds a thin protective glaze and a subtle tang that balances the fatty fish and pastry. Lemon zest in the filling lifts flavors; a bit of lemon juice in the cheese mixture adds acidity.

Aromatics: garlic, shallot, herbs

Quantity: 1 small shallot (finely minced); 1 garlic clove (minced); 2 tablespoons fresh dill (chopped) or 1 tablespoon dried dill; 2 tablespoons fresh chives or parsley (chopped).

Explanation: Shallot and garlic provide foundational savory notes; fresh herbs—especially dill—are classic with salmon. Use herbs sparingly if you prefer a subtler herb presence. Fresh herbs add brightness that complements the richness of cheese and pastry.

Egg wash

Quantity: 1 large egg beaten with 1 tablespoon water.

Explanation: Egg wash gives the pastry its shiny, golden finish and helps seal seams. Brush lightly to avoid pooling, which can lead to uneven browning.

Salt, pepper, and optional spices

Quantity: 1 ½ teaspoons kosher salt (adjust to taste) and ¾ teaspoon freshly ground black pepper; optional pinch of smoked paprika or cayenne for warmth.

Explanation: Proper seasoning is essential—salt enhances the natural flavors while pepper gives a gentle kick. Smoked paprika pairs beautifully with salmon and prosciutto for a subtle smoky depth.

Extra: lemon-dill sauce (optional)

Quantity: 150 ml Greek yogurt or sour cream, 2 tablespoons mayonnaise, 2 tablespoons chopped dill, 1 teaspoon lemon juice, salt and pepper to taste.

Explanation: A light lemon-dill sauce complements the richness of the Wellington and adds a cooling, tangy contrast. Serve on the side, spooned over slices, or as a dipping sauce.

Total yield and serving guideline

This recipe yields approximately 6 generous servings (serving size ~250–300 g cooked salmon Wellington per person) or 8 moderate portions if served with hearty sides. Total assembled weight before baking is approximately 2.1 kilograms (including pastry, filling, and salmon).

Cooking time, moisture loss, and trimming will slightly reduce final weight after baking, but the visual presentation and portioning remain reliable for a small dinner party.

How to prepare — step-by-step explained in full paragraphs

Preparing the filling and vegetables

Begin by preparing the spinach filling: heat 1 tablespoon of olive oil in a wide sauté pan over medium heat, add the finely minced shallot and cook until translucent for two to three minutes, then add the garlic and cook until fragrant for thirty seconds. Add the fresh spinach in batches, tossing or stirring until just wilted; if using frozen spinach, ensure it is completely thawed and squeeze out excess water before adding it to the pan.

Once the spinach has reduced and released moisture, cook for an additional minute until most of the liquid evaporates, then transfer to a bowl to cool slightly. Stir in the softened cream cheese, lemon zest, chopped dill and chives, and season gently with salt and pepper—this blended mixture should be thick and spreadable without excess liquid, forming a stable bed for the salmon.

Preparing the salmon

Pat the salmon fillet dry with paper towels to remove surface moisture which could make the pastry soggy. Season both sides with the measured kosher salt and freshly ground black pepper, and brush a thin layer of Dijon mustard over the top surface—this adds flavor and creates a thin barrier between the fish and filling.

If using prosciutto, lay the prosciutto slices on a sheet of plastic wrap slightly overlapping to create a single layer, place the salmon on top, then spread an even layer of the spinach-cheese filling over the prosciutto or directly over the salmon if not using prosciutto. This assembly step ensures the filling adheres and the prosciutto helps repel moisture from the pastry.

Assembling the Wellington

On a lightly floured surface, roll out the chilled puff pastry sheet to a rectangle slightly larger than the salmon—aim for about 3–4 mm thickness. Transfer the pastry to a piece of parchment for easier handling, position the prosciutto-wrapped salmon or the salmon and filling in the center of the pastry, and brush the exposed pastry edges with the beaten egg wash.

Carefully fold the pastry over the salmon, sealing seams by pressing firmly and trimming excess pastry for a neat package; tuck under or crimp edges to form a seam on the underside. Chill the wrapped Wellington briefly in the refrigerator for 10–15 minutes to firm the butter layers so they hold their structure in the oven.

Baking to perfection

Preheat your oven to 200°C (400°F) and position a rack in the center. Place the assembled Wellington into the oven and bake for 25–30 minutes for medium doneness—time will vary with thickness, so aim for an internal salmon temperature of 52–55°C (125–131°F) measured with a probe.

The pastry should be a deep golden brown and puffed. If the pastry browns too quickly while the fish is still undercooked, tent loosely with foil and continue baking until the desired internal temperature is reached. After removing from the oven, allow the Wellington to rest for 5–8 minutes; residual heat gently finishes the fish and makes slicing cleaner.

Slicing and serving

Use a sharp serrated knife to slice the Wellington into portions, wiping the knife between cuts for clean edges. Serve each portion with a spoonful of lemon-dill sauce on the side and garnish with a sprinkle of fresh dill and thin lemon slices.

Complement the Wellington with roasted baby potatoes, a simple green salad, or steamed asparagus for a balanced plate. Encourage guests to cut across the pastry so each slice contains a portion of pastry, filling, and salmon for the full flavor experience.

Healthy habits and tips for lighter preparation

To make this dish lighter, trim visible fat from the salmon if present, use reduced-fat cream cheese or ricotta in the filling, and limit the amount of puff pastry—use a single crust or individual smaller parcels to control portions.
Pair the Wellington with fiber-rich sides such as roasted root vegetables, a citrusy cabbage slaw, or a quinoa and herb salad to increase satiety without adding excess calories.
Choose whole-food cooking methods for sides—roasting, steaming, or grilling—instead of frying.
Consider portion control by serving smaller plated slices accompanied by large vegetable-forward sides so the meal feels generous without excess pastry per person.

Variations

1) Mini Individual Salmon Wellingtons

For parties or brunch, make individual mini Salmon Wellingtons using smaller salmon portions (about 120–150 g each) and one sheet of puff pastry cut into squares. Spoon a tablespoon of the spinach-cheese filling onto each pastry square, place a seasoned salmon portion on top, fold the edges over to create a neat parcel, brush with egg wash, and bake for 15–18 minutes at 200°C (400°F) until golden. These bite-sized versions are easier to serve and allow for varied fillings across guests, such as adding crab or different herbs for contrast.

Mini Wellingtons can be prepared ahead: assemble on a tray, chill until firm, and bake shortly before serving to ensure crisp pastry. Serve these as appetizers with a tangy lemon-dill dipping sauce or an herbed crème fraîche; they make elegant finger food for cocktail parties and allow for precise portion control when you’re watching calories.

2) Salmon en Croute with Herbed Mascarpone and Asparagus

Replace cream cheese with mascarpone mixed with lemon zest and chopped tarragon for a silkier filling, and place blanched asparagus spears alongside the salmon to create a seasonal spring version. Lay prosciutto over the pastry, spread the mascarpone-herb mix, add a row of asparagus, then top with the salmon and wrap as usual before baking at 200°C (400°F) for 20–28 minutes depending on thickness.

This variation highlights fresh spring flavors—mascarpone provides a delicate creaminess that pairs beautifully with sweet asparagus and bright herbs. It’s a refined presentation that works well for Easter brunch, springtime dinner parties, or whenever tender seasonal asparagus is available.

3) Smoked Salmon & Dill Cream Cheese (No-Bake Assemblies)

For a simplified, no-bake appetizer-style approach, layer smoked salmon slices over toasted pumpernickel or thin brioche slices spread with dill-infused cream cheese, fold into small roulades, or make pinwheels for a canapé. This approach captures the familiar flavors of Salmon Wellington—salmon, cream cheese, dill—without pastry or oven time, suitable for summer gatherings or last-minute entertaining.

Although not a traditional Wellington, these assemblies appeal to guests who love salmon flavors in a lighter package and are perfect for buffet tables. They are fast to assemble, require minimal cooking skill, and can be customized with capers, red onion, or cucumber for crunch and acidity.

4) Gluten-Free Salmon Wellington

Use gluten-free puff pastry or substitute multiple layers of brushed phyllo (using dairy-free butter if needed) to create a gluten-free version of Salmon Wellington. Ensure that all other ingredients—mustard, prosciutto, and filling components—are certified gluten-free, and reduce moisture in the spinach filling to avoid soggy pastry. Bake according to package instructions for the chosen pastry until golden and the salmon reaches desired doneness.

For a sturdier gluten-free crust, consider making a savory almond-flour tart shell, par-baking it, then adding the spinach-salmon assembly and finishing in the oven until cooked through. This alternative keeps textures interesting while accommodating dietary restrictions without sacrificing flavor.

5) Asian-Inspired Salmon Wellington

Transform the flavor profile by brushing the salmon with a mixture of miso paste, honey, and rice vinegar, and swap the herb filling for sautéed bok choy with sesame oil, ginger, and scallions. Wrap in puff pastry as usual and bake at 200°C (400°F) until the pastry is blistered and the glaze has caramelized lightly; garnish with sesame seeds and thinly sliced scallions.

This fusion version merges umami-rich miso and the delicate flavor of salmon with the familiar Wellington presentation, offering a novel tasting experience. Pair it with steamed jasmine rice or pickled cucumber salad to echo the Asian flavors and keep sides light and complementary.

Make-ahead, storage, and reheating tips

You can assemble the Wellington up to 24 hours ahead and keep it tightly wrapped in plastic in the refrigerator; for best texture, do not bake until ready to serve.

If freezing, wrap the unbaked Wellington in plastic and foil and freeze for up to one month—thaw overnight in the refrigerator before baking, brush with egg wash, and bake as directed, adding a few extra minutes if needed.

Store leftovers in an airtight container in the refrigerator for up to 2–3 days; reheat gently in a 180°C (350°F) oven until warmed through to preserve flakiness and avoid sogginess.

Common mistakes and troubleshooting

Over-wet filling: Excess moisture in spinach or salmon can make pastry soggy. Squeeze frozen spinach thoroughly or cook fresh spinach long enough to evaporate liquid, and pat salmon dry.

Underbaked center: If pastry is golden but salmon is undercooked, reduce oven temperature slightly and continue baking with foil tenting to avoid overbrowning.

Over-seasoning prosciutto or salted butter: Taste and adjust—remember prosciutto and certain cheeses add salt.

Uneven pastry puff: Keep dough chilled until baking and avoid excessive handling so butter layers remain intact.

Final presentation and pairing suggestions

Slice into even portions and present on warmed plates with a light drizzle of lemon-dill sauce or a dollop on the side. Garnish with fresh dill sprigs and thin lemon wheels for color and brightness.

Pair with crisp white wines like Sauvignon Blanc or a lightly oaked Chardonnay, or choose a dry rosé for a versatile option. Side dishes that complement include roasted fingerling potatoes, honey-glazed carrots, or a peppery arugula salad with shaved fennel and vinaigrette—options that offer texture contrast and a balance of flavors.

Sourcing ingredients and quality notes

Choosing high-quality ingredients improves both flavor and texture. For salmon, buy a center-cut fillet with firm flesh, moist appearance, and a fresh ocean aroma; avoid strong fishy smells. Ask your fishmonger to remove pin bones or use tweezers at home.

For puff pastry, pick a brand made with real butter for richer taste and flakier layers; ensure it is fully thawed but still cold before rolling. Select fresh spinach with unblemished leaves and bright herbs such as dill and chives to enhance fragrance.

Essential equipment

Gather a wide sauté pan for reducing spinach, a rimmed baking sheet lined with parchment, a rolling pin, a sharp chef’s knife, an instant-read thermometer, and a pastry brush.
A cutting board and paper towels are necessary for patting salmon dry and trimming pastry.
Optional helpful items: plastic wrap for shaping prosciutto layers and an offset spatula for spreading the cheese filling evenly so every bite is balanced.

Substitutions and dietary swaps

If you need dairy-free options, substitute cream cheese with a plant-based spread and choose dairy-free puff pastry; note that texture may differ. For gluten-free diets, many supermarkets carry gluten-free puff pastry—follow package instructions for baking times.

To lower calories, use ricotta mixed with lemon zest instead of cream cheese and make individual portions to control pastry per serving. Vegetarians can replace salmon with a hearty roasted vegetable log or a thick grilled portobello brushed with umami-rich glaze.

Nutrition snapshot (approximate per serving)

Estimated per serving (six servings): 450 kcal, 30 g protein, 24 g total fat (including omega-3s), and 34 g carbohydrates. The dish provides vitamin B12, vitamin D, vitamin K from spinach, iron, selenium, and a good dose of healthy fats when salmon is used. Adjust portions and sides to fit specific dietary goals or sodium restrictions.