This Winter Vegetable Coulibiac with Porcini Mushroom Sauce is filled with a mix of seasonal vegetables and wrapped in buttery, golden pastry. A plant-based take on a classic dish, it is served with a creamy porcini mushroom sauce. Perfect for entertaining.

Winter Vegetable Coulibiac with Porcini Mushroom Sauce – A Delicious Plant-Based Centrepiece
This Winter Vegetable Coulibiac with Porcini Mushroom Sauce is a fantastic dish that’s perfect for entertaining, and it’s surprisingly easy to make. The best part is that the filling can be prepared ahead of time, making it a stress-free option if you need to plan ahead. With minimal effort, you can create a dish that’s both impressive and delicious.
The only piece of equipment you need for the top is a Lattice Pastry Cutter. It’s perfect to create that beautiful crisscross pattern on the pastry. If you don’t have one, no worries—just cover the top with a simple sheet of pastry, leaving a small hole in the centre for the steam to escape.
And, whatever you do, don’t skip the porcini mushroom sauce. This rich, earthy sauce is what takes this dish to the next level. The deep umami flavour from the porcini mushrooms adds a wonderful depth that perfectly complements the vegetables and pastry. Trust me, it’s the finishing touch that makes all the difference. Whether you’re serving it for a special occasion or a cosy dinner, this recipe is sure to become a favourite!
Other Stunning Centrepiece Recipes
- Vegan Wellington Wreath
- Vegan Nut Roast Wreath
- Asian Mushroom Wellington
- Hazelnut & Orange Nut Roast with Cranberry Sage Sauce
I hope you enjoy this Winter Vegetable Coulibiac with Porcini Mushroom Sauce as much as we do. If you do make this recipe, don’t forget to tag me on Instagram!

Winter Vegetable Coulibiac with Porcini Mushroom Sauce [vegan]
Equipment
Disclaimer: the equipment list above includes affiliate links to products I use and like.
Ingredients
FOR THE COULIBIAC:
- 400 g Brussels sprouts
- 2 handfuls fresh cranberries
- 200 g vacuum packed chestnuts
- 75 g basmati & wild rice
- 3 large banana shallots (finely chopped)
- 2 large garlic cloves – crushed
- 2 Tbsp light brown sugar
- 2 Tbsp balsamic vinegar
- 2 large handfuls of chopped parsley leaves
- 1 vegan puff pastry – I used Jus Rol + melted dairy free butter to seal
FOR THE PORCINI MUSHROOM SAUCE:
- 50 g dried porcini mushrooms
- 1 small onion – finely chopped
- 1 large garlic clove – crushed
- 2 Tbsp fresh rosemary leaves – chopped
- 500 ml vegetable stock
- 125 ml vegan white wine
- 1 Tbsp dairy free butter
- 1 Tbsp plain flour
- 3 Tbsp dairy free cream
- salt & pepper
- olive oil
Instructions
- Put the porcini mushrooms in a bowl and cover them with boiling water. Set aside.50 g dried porcini mushrooms
- Cook the rice according to the packet instructions. It should still have a bit of a bite. Drain and set aside.75 g basmati & wild rice
- In the meantime, heat some olive oil in a large frying pan. Add the banana shallots and 2 crushed garlic cloves. Fry gently until golden and soft.3 large banana shallots (finely chopped), olive oil, 2 large garlic cloves – crushed
- Clean the Brussels sprouts. Cut them in thin slices.400 g Brussels sprouts
- Add the Brussels sprouts to the frying pan with the cranberries, balsamic vinegar and sugar. Mix well and cook together for 10 mins.2 handfuls fresh cranberries, 2 Tbsp balsamic vinegar, 2 Tbsp light brown sugar
- Add the chopped chestnuts and parsley. Cook together for 5-10 mins until sprouts and cranberries are cooked. Season to taste.200 g vacuum packed chestnuts, 2 large handfuls of chopped parsley leaves
- Preheat the oven to 200°C/400°F/Gas 6.
- Roll out the puff pastry to a rectangle of about 33 x 44 cm (13 x 17 inches). Cut the pastry to obtain two rectangles of different widths. One should be about 19 x 44 cm (7.5 x 17 inches) and the other 14 x 44 cm (5.5 x 17 inches).1 vegan puff pastry – I used Jus Rol + melted dairy free butter to seal
- Cover a baking tray with some parchment paper. Please large piece of pastry on top.
- Blend the vegetables and rice together and pile the mixture on top of pastry leaving a 3 cm (just over 1 inch) edge all around. Brush the edges with some melted dairy free butter.1 Tbsp dairy free butter
- Run the lattice pastry cutter in the middle of the smaller piece of pastry leaving an edge of around 3 cm (just over 1 inch). Carefully place on top of the vegetable/ rice mixture. The lattice will open as it goes over the filling. Press edges together to seal, folding pastry if necessary.
- Brush melted dairy free butter on the lattice and place in the oven for around 20 mins until golden.
- In the meantime make the porcini mushroom sauce. Heat some olive oil in a saucepan. Fry onion, garlic and rosemary until soft.1 small onion – finely chopped, 1 large garlic clove – crushed, 2 Tbsp fresh rosemary leaves – chopped
- Add the porcini mushrooms with their liquid, vegetable stock and wine. Boil together until liquid has reduced by half.500 ml vegetable stock, 125 ml vegan white wine
- Put the flour in a bowl and dilute with some of the liquid from the mushroom sauce, making sure there are no lumps.1 Tbsp plain flour
- Add the butter and diluted flour to the mushroom sauce. Whisk regularly and cook under high heat until it has thickened. Blend cream in just before serving. Season to taste.3 Tbsp dairy free cream, salt & pepper
- Serve the coulibiac with porcini mushroom sauce on the side.
Nutrition
Find this recipe online:
Winter Vegetable Coulibiac with Porcini Mushroom Sauce [vegan]
https://theflexitarian.co.uk/recipe-items/winter-vegetable-coulibiac-porcini-mushroom-sauce-vegan/
I cannot wait to see your posts!
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