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    Home » Entrees

    Vegan Wellington

    Published: Dec 23, 2020 Updated: Oct 30, 2021 by Alison Andrews This post may contain affiliate links

    Jump to Recipe
    Vegan Wellington

    This vegan wellington is perfect for a special occasion. Creamy mushroom filling wrapped in deliciously flaky puff pastry. Simple and gorgeous.

    Vegan wellington topped with a sprig of fresh rosemary on a white plate.

    Now that it’s getting close to Christmas I’m starting to think of what to put on the Christmas menu. 

    A vegan wellington is a great addition to a Christmas menu or indeed any special occasion. 

    We decided to make this a vegan mushroom wellington, so basically make a filling from mushrooms and then wrap that in pastry and bake it. I mean, you know it’s just got to be delicious!

    I’ve been seeing a lot of vegan wellingtons popping up on my facebook feed lately and it made me realize that ours is a little non-traditional, but I would argue that ours is better!

    It’s a delicious mix of mushrooms, onions, spices and cashew cream for the filling, and that is wrapped in puff pastry, brushed with melted vegan butter and baked for 25 minutes until golden brown, flaky and perfect.

    It looks beautiful and festive and tastes wonderful. Garnish with fresh rosemary for even more festive vibes. You’ll also love our vegan pot pie and our vegan nut roast recipes.

    What You’ll Need For This Recipe:

    Photo of the ingredients for a vegan wellington

    Ingredient Notes

    Mushrooms – we use three different types of mushrooms here for maximum flavor. Portobello mushrooms, white button mushrooms and cremini mushrooms (also known as baby bellas or portobellini or brown button mushrooms).

    Puff pastry – this makes such a perfect flaky, golden crust for your wellington. Read the label of course, but most puff pastry is vegan. It’s usually sold frozen. Let it thaw in the fridge and use it directly from the fridge.

    Raw cashews – the cashews together with a little water and salt are blended up to make the cashew cream. If you have a high powered blender like a Vitamix then it’s usually not necessary to soak the cashews first. If you don’t have a high powered blender then place the cashews in a bowl, pour over boiling water from the kettle and leave to soak for at least 15 minutes and up to an hour. Then drain them and add to the blender with the other ingredients.

    How To Make Vegan Wellington

    You will find full instructions and measurements in the recipe card at the bottom of the post. This is a summary of the process to go along with the process photos.

    • Step 1. Add olive oil, chopped onion, crushed garlic, dried rosemary, coriander powder, dried thyme and oregano to a pot and sauté until the onions are softened.
    Two photo collage showing the first steps to making the filling for a wellington.
    • Step 2. Add in the sliced mushrooms and soy sauce and sauté until the mushrooms are softened.
    Two photo collage of making the filling for a wellington.
    • Step 3. Add cashews, water and salt to your blender jug and blend until smooth.
    Two photo collage of making cashew cream.
    • Step 4. Add the cashew cream to the mushrooms and heat everything together until it reaches a simmer. It will thicken as it heats and create a thick, creamy sauce.
    • Step 5. Turn off the heat and leave the sauce to cool as it will thicken more as it cools.
    • Step 6. When the sauce has cooled, preheat the oven to 390°F.
    Two photo collage of finalizing the filling for a mushroom wellington.
    • Step 7. Line a baking tray with parchment paper. Lie the sheet of puff pastry down on top of the parchment paper. You may have to trim your puff pastry sheet slightly to fit your baking tray.
    • Step 8. Add the mushroom filling along one side of the puff pastry, leaving a margin at the edge so that when you fold the pastry over you will be able to seal it along the sides.
    • Step 9. Fold the puff pastry over the top of the mushroom filling, sealing it along the margin you left along the edge. Use a fork to make ridges in the pastry at the edges and help to seal it in even better.
    • Step 10. Brush the top of the pastry with melted vegan butter and cut diagonal slashes across the top of the pastry.
    Two photo collage of assembling a wellington.
    • Step 11. Place into the oven and bake for 25 minutes or until golden brown and crispy.
    • Step 12. Allow to cool for 5 minutes before serving. Top with a sprig of fresh rosemary and serve.
    Two photo collage of a vegan wellington, freshly baked and then ready to serve.

    Pro Tips

    The filling should be thick. If your filling is too saucy then it will spread too much when you place it onto the pastry and it will be difficult to seal your pastry properly. The cashew cream thickens up really well as it heats, so that’s part of it, the other part is to let the sauce cool before adding it onto the pastry. It continues to thicken when cooled and will be easier to handle. 

    Your puff pastry should be thawed, but still cold. If it thaws too long at room temperature it gets sticky and becomes hard to handle. It’s ideal if you let it thaw in the fridge and then use it straight from the fridge. If it gets sticky anyway, then flour a surface and your rolling pin and roll it with a sprinkle of flour, that will stop the stickiness and make it easy to handle. 

    Leave a margin on the side of the puff pastry where you’re adding your filling. You need enough space to be able to fold it over and seal it down (see pics above). 

    Don’t panic if the filling starts coming out the side when you’re trying to seal your wellington. Just scoop off the overflow and carry on. If you had to trim your puff pastry to fit your baking tray (we did) then you have a little extra pastry to work with and can add the leftover pieces to the edges of your wellington where there was a bit of a filling overflow to strengthen it. You’ll see the middle part of our wellington shows the evidence of a little patching up!

    Brush with melted vegan butter. This gives amazing results in a flaky crispy delicious pastry.

    Cut some diagonal slashes across the top of the wellington right before baking. This allows steam to escape during baking but also looks super pretty!  

    Vegan wellington topped with a sprig of fresh rosemary on a white plate.

    Recipe FAQ

    Is puff pastry vegan?

    Yes, thankfully it usually is. It’s one of those ‘accidentally vegan’ things. Of course read the ingredients as some may not be vegan but it’s very common for puff pastry to be vegan.

    Can this be made ahead?

    The filling can be made in advance and stored in the fridge for 2-3 days and then added to the pastry and baked when you’re ready. That is the only part that can be done in advance. Once it’s wrapped in the pastry it needs to go right into the oven and bake right away.

    How to store it?

    You can store leftovers in the fridge (covered) for a couple of days, however, there is the possibility of the pastry getting soggy and it definitely loses its flaky crispiness. So this is a dish that is best served on the day it’s made. Hot and flaky and right out of the oven is the way forward for this one.

    Can you freeze it?

    It’s not suitable for freezing.

    Mushroom wellington on a white plate.

    More Vegan Holiday Recipes

    1. Vegan Lasagna
    2. Vegan Mac and Cheese
    3. Vegan Meatloaf
    4. Vegan Moussaka
    5. Vegan Turkey Roast
    6. Vegan Ham Roast

    Did you make this recipe? Be sure to leave a comment and rating below!

    Vegan wellington cut in half on a white plate.

    Vegan Wellington

    This vegan wellington is perfect for a special occasion. Creamy mushroom filling wrapped in flaky puff pastry. Simple and gorgeous.
    4.98 from 48 votes
    Print Pin Rate
    Course: Dinner, Entree, Savory
    Cuisine: Vegan
    Diet: Vegan
    Prep Time: 30 minutes minutes
    Cook Time: 45 minutes minutes
    Total Time: 1 hour hour 15 minutes minutes
    Servings: 6
    Calories: 439kcal
    Author: Alison Andrews

    Ingredients

    Mushrooms:

    • 1 Tbsp Olive Oil
    • 1 Medium Onion White, Yellow or Brown, Chopped
    • 1 tsp Crushed Garlic
    • 1 tsp Dried Rosemary
    • ½ tsp Ground Coriander
    • ½ tsp Dried Thyme
    • ½ tsp Oregano
    • 2 ½ cups White Button Mushrooms (240g) Sliced
    • 2 ½ cups Cremini Mushrooms (240g) Sliced
    • 2 Portobello Mushrooms Sliced
    • 2 Tbsp Soy Sauce

    Cashew Cream:

    • 1 cup Raw Cashews (150g)
    • ½ cup Water (120ml)
    • ½ tsp Salt

    Assembling:

    • 1 Sheet Puff Pastry Thawed
    • 1-2 Tbsp Vegan Butter Melted, for brushing

    Decorating:

    • Sprig of Fresh Rosemary
    Prevent your screen from going dark

    Instructions

    • Add olive oil, chopped onion, crushed garlic, dried rosemary, coriander powder, dried thyme and oregano to a pot and sauté until the onions are softened. 
    • Add in the sliced mushrooms and soy sauce and sauté until the mushrooms are softened. 
    • Add cashews, water and salt to your blender jug and blend until smooth.  
    • Add the cashew cream to the mushrooms and heat everything together until it reaches a simmer. It will thicken as it heats and create a thick, creamy sauce.  
    • Turn off the heat and leave the sauce to cool as it will thicken more as it cools. 
    • When the sauce has cooled, preheat the oven to 390°F (200°C). 
    • Line a baking tray with parchment paper. Lie the sheet of puff pastry down on top of the parchment paper. You may have to trim your puff pastry sheet slightly to fit your baking tray. 
    • Add the mushroom filling along one side of the puff pastry, leaving a margin at the edge so that when you fold the pastry over you will be able to seal it along the sides (see our photos above to see this in action). 
    • Fold the puff pastry over the top of the mushroom filling, sealing it along the margin you left along the edge. Use a fork to make ridges in the pastry at the edges and help to seal it in even better. 
    • Brush the top of the pastry with melted vegan butter and cut diagonal slashes across the top of the pastry. 
    • Place into the oven and bake for 25 minutes or until golden brown and crispy. 
    • Allow to cool for 5 minutes before serving. Top with a sprig of fresh rosemary and serve. 

    Notes

    1. The filling should be thick. If your filling is too saucy then it will spread too much when you place it onto the pastry and it will be difficult to seal your pastry properly. The cashew cream thickens up really well as it heats, so that’s part of it, the other part is to let the sauce cool before adding it onto the pastry. It continues to thicken when cooled and will be easier to handle. 
    2. Your puff pastry should be thawed, but still cold. If it thaws too long at room temperature it gets sticky and becomes hard to handle. It’s ideal if you let it thaw in the fridge and then use it straight from the fridge. If it gets sticky anyway, then flour a surface and your rolling pin and roll it with a sprinkle of flour, that will stop the stickiness and make it easy to handle. 
    3. Leave a margin on the side of the puff pastry where you’re adding your filling. You need enough space to be able to fold it over and seal it down.
    4. Don’t panic if the filling starts coming out the side when you’re trying to seal your wellington. Just scoop off the overflow and carry on. If you had to trim your puff pastry to fit your baking tray (we did) then you have a little extra pastry to work with and can add the leftover pieces to the edges of your wellington where there was a bit of a filling overflow to strengthen it. You’ll see the middle part of our wellington shows the evidence of a little patching up!
    5. Brush with melted vegan butter. This gives amazing results in a flaky crispy delicious pastry.
    6. Cut some diagonal slashes across the top of the wellington right before baking. This allows steam to escape during baking but also looks super pretty!  
    7. Make ahead: The filling can be made in advance and stored in the fridge for 2-3 days and then added to the pastry and baked when you’re ready. That is the only part that can be done in advance. Once it’s wrapped in the pastry it needs to go right into the oven and bake right away. 
    8. Storing and Freezing: You can store leftovers in the fridge (covered) for a couple of days, however, there is the possibility of the pastry getting soggy and it definitely loses its flaky crispiness. So this is a dish that is best served on the day it’s made. Hot and flaky and right out of the oven is the way forward for this one. It’s not suitable for freezing. 
    9. Prep time does not include the time for the sauce to cool.
    10. This recipe was first published in December 2018. It has been updated with extra tips but the recipe itself is unchanged. 

    Nutrition

    Serving: 1Serve | Calories: 439kcal | Carbohydrates: 33.6g | Protein: 10.7g | Fat: 30.8g | Saturated Fat: 6.5g | Sodium: 547mg | Fiber: 3g | Sugar: 5.7g
    DID YOU MAKE THIS RECIPE? Rate it & leave your feedback in the comments section below, or tag @lovingitvegan on Instagram and hashtag #lovingitvegan
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    About the Author

    Hi I'm Alison Andrews, I'm the voice and cook behind Loving It Vegan. I love making delicious vegan food and creating vegan versions of all your old favorites, so that you’ll never feel like you’re missing out. Find out more about me here.

    Loving It Vegan is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. This site may contain some of these links to Amazon.com. If you make a purchase through one of those links, Loving It Vegan will receive a small commission from the purchase at no additional cost to you.

    Reader Interactions

    Comments

    1. Mrs P Evans says

      January 12, 2025 at 2:42 pm

      Fabulous recipe! First time I’ve made cashew cream – I know it’s used in vegan baking but didn’t know it could be used in savoury dishes – a real revelation! I made the Wellington at Christmas, and added mashed and browned vegan sausages to make it more substantial – it also added even more flavour from the spices in the sausages. I’ve used your recipe a few times now, today I’m filling individual pastries to make little parcels to serve as snacks. Thank you – from me and all the happy eaters!5 stars

      Reply
      • Nadine @ Loving It Vegan says

        January 14, 2025 at 10:30 am

        That’s awesome! Thanks so much for sharing and for your great review!

        Reply
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    4.98 from 48 votes (10 ratings without comment)

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