Mary Berry Koulibiac Recipe

This impressive Mary Berry Koulibiac Recipe wraps succulent salmon, savoury mushroom rice, and spinach in crisp puff pastry, ready in about 1 hour and 30 minutes. Slicing through the golden lattice crust reveals beautiful, defined layers of pink fish, yellow hard-boiled eggs, and aromatic herbs. I love serving this elegant parcel as a showstopping centrepiece for Christmas Eve or a special Easter lunch.

The Secret To Getting It Right

I learned the hard way that patience is the most critical ingredient in a koulibiac. The first time I attempted this, I was in a rush and assembled the parcel while the rice was still lukewarm, resulting in a “soggy bottom” that no amount of baking could fix. The steam from the warm filling trapped inside the pastry turned the base into mush.

Now, I always prepare the fillings—the salmon, the rice, and the mushroom duxelles—well in advance and let them cool completely in the fridge before assembly. It ensures the puff pastry puffs up perfectly and stays crisp on the bottom, giving you that professional restaurant-quality finish every time.

Mary Berry Koulibiac Recipe Ingredients

• 500g all-butter puff pastry block (thawed if frozen)
• 500g salmon fillet, skinless (one large piece is best)
• 75g basmati or long-grain rice (uncooked weight)
• 3 hard-boiled eggs, peeled and chopped
• 150g chestnut mushrooms, finely chopped
• 1 large onion, finely chopped
• 25g butter
• 3 tbsp fresh dill or parsley, chopped
• 1 lemon, juice only
• 1 egg, beaten (for glazing)
• Salt and freshly ground black pepper

How To Make Mary Berry Koulibiac Recipe

1. Prepare the Salmon: Preheat your oven to 200°C (180°C Fan/Gas 6). Place the salmon fillet on a foil-lined baking tray, season with salt and pepper, and bake for 15 minutes. It should be just cooked through. Remove and leave to cool completely.
2. Cook the Rice and Eggs: Cook the rice in salted boiling water according to packet instructions until tender. Drain well and rinse under cold water to stop the cooking. Cool completely. Meanwhile, boil the eggs for 8 minutes, peel, chop, and set aside.
3. Make the Duxelles: Melt the butter in a frying pan over medium heat. Fry the onion for 5 minutes until soft. Add the finely chopped mushrooms and cook for another 10–12 minutes until all the liquid has evaporated and you have a dry paste. Let this cool completely.
4. Mix the Filling: In a large bowl, combine the cold rice, mushroom mixture, chopped eggs, herbs, and lemon juice. Season generously with salt and pepper.
5. Assemble the Parcel: Roll out the puff pastry on a floured surface into a large rectangle (approx. 30cm x 35cm). Place the rice mixture down the centre of the pastry, leaving a wide border. Lay the cooked, cooled salmon fillet on top of the rice.
6. Seal and Glaze: Brush the pastry edges with beaten egg. Bring the long sides up over the salmon to enclose it, pinching the edges to seal. Fold in the ends. Flip the parcel over so the seam is underneath and place on a baking tray. Brush the entire surface with beaten egg and score lightly with a knife for decoration.
7. Bake: Bake in the preheated oven (200°C) for 25–30 minutes until the pastry is deep golden brown and crisp. Allow to rest for 10 minutes before slicing.

Recipe Tips

• Dry the fillings: Excess moisture is the enemy of puff pastry. Ensure you cook the mushrooms until the pan is dry, and drain the rice thoroughly.
• Cool completely: I cannot stress this enough—if your fillings are even slightly warm, the butter in the pastry will melt too early, leading to a greasy, flat crust.
• The lattice effect: For a professional look, save a small strip of pastry to cut into leaves or use a lattice cutter for the top layer if you aren’t flipping the parcel seam-side down.
• Season layers: Although the rice mix is seasoned, lightly season the salmon fillet itself before baking it in the first step to ensure every mouthful is flavourful.

What To Serve With Koulibiac

Because the koulibiac is rich with pastry and salmon, it pairs best with fresh, sharp sides. A simple green salad with a lemon vinaigrette cuts through the richness beautifully.

For a warm side, steamed asparagus or tenderstem broccoli with a light hollandaise sauce complements the fish without making the meal too heavy.

How To Store

Fridge: Store leftovers in an airtight container for up to 2 days. The pastry will soften, so reheat it in the oven at 180°C for 10-15 minutes to crisp it up again; do not microwave.

Freezer: You can assemble the raw pastry parcel and freeze it for up to 1 month. Bake from frozen, adding 15–20 minutes to the cooking time and covering with foil if it browns too quickly.

FAQs

• Can I use frozen spinach? Yes, you can add spinach to the rice layer. If using frozen, defrost it and squeeze out every drop of water in a clean tea towel to prevent a soggy base.
• Why is my pastry soggy on the bottom? This usually happens if the filling was warm when assembled or if the mushroom mixture wasn’t cooked dry enough. Always cool everything first.
• Can I use filo pastry instead? Mary Berry has a variation using filo pastry for a lighter crunch, but this recipe uses puff pastry for the traditional, comforting en croute style.

Nutrition

• Calories: 680 kcal
• Total Fat: 42g
• Saturated Fat: 18g
• Cholesterol: 145mg
• Sodium: 520mg
• Total Carbohydrate: 45g
• Protein: 28g