Introduction: A Showstopping Plant-Based Delight
The Vegetarian Nut-Loaf Wellington with Mushroom Gravy is an indulgent, flavorful, and impressive plant-based main dish that can steal the spotlight at any special occasion. Whether you’re celebrating Christmas, Thanksgiving, or a family gathering, this Wellington offers a savory and satisfying alternative to traditional meat-filled Wellingtons. Its combination of a nutty, hearty filling wrapped in flaky puff pastry and served with a rich mushroom gravy is sure to leave everyone impressed.
Packed with protein-rich lentils, crunchy mixed nuts, and aromatic herbs, this dish is not only a great option for vegetarians but also for anyone looking to enjoy a flavorful and nutritious meal. And the best part? It’s beautifully easy to prepare and incredibly versatile. Let’s dive into the details of how you can create this masterpiece in your kitchen.

What is Vegetarian Nut-Loaf Wellington with Mushroom Gravy?
The Vegetarian Nut-Loaf Wellington with Mushroom Gravy is a plant-based variation of the classic Beef Wellington. Instead of beef, the filling is made with lentils, mixed nuts, vegetables, and flavorful herbs. This mixture is encased in buttery, golden puff pastry and baked until it’s crispy on the outside and soft on the inside. It’s paired with a savory mushroom gravy, which adds a silky, earthy richness that complements the nutty loaf perfectly.
This dish is not only a feast for the eyes but also offers a delightful blend of textures and flavors. The combination of savory vegetables, crunchy nuts, and hearty lentils makes it a filling and satisfying main course. And the mushroom gravy provides the perfect balance, offering depth and umami to the whole dish.
Origin of the Recipe
While the Wellington has been around for centuries, with origins often attributed to French or British cuisine, the Vegetarian Nut-Loaf Wellington with Mushroom Gravy is a modern twist on this classic. Originally designed as a festive and luxurious way to showcase beef, the Wellington has become increasingly popular in vegetarian and vegan circles as people seek plant-based alternatives to traditional dishes.
The concept of using a mixture of lentils and nuts as a filling for puff pastry is inspired by the growing interest in plant-based, whole foods. The mushroom gravy is a nod to the earthy richness of the original meat version, which is often paired with a rich sauce. This vegetarian version ensures that the dish remains just as decadent, but with ingredients that are kinder to both the environment and your health.
Ingredients (Serves 6–8)
For the Nut Loaf Filling
- 2 tbsp olive oil
- 1 medium onion, finely chopped
- 2 garlic cloves, minced
- 1 large carrot, grated
- 1 celery stalk, finely diced
- 1 cup mushrooms, finely chopped
- 1 cup cooked lentils (brown or green)
- 1 cup mixed nuts, finely chopped (walnuts, pecans, cashews, or hazelnuts)
- 1 cup breadcrumbs
- 2 tbsp soy sauce or tamari
- 1 tbsp tomato paste
- 1 tbsp Dijon mustard
- 1 tsp dried thyme
- 1 tsp dried rosemary
- ½ tsp smoked paprika
- 2 eggs, lightly beaten (or 2 flax eggs for vegan)
- Salt & pepper to taste
- Optional: ½ cup grated cheese (cheddar or gruyère)
Wellington
- 1 sheet puff pastry, thawed
- 1 egg, beaten (or plant milk for vegan brushing)
- 1–2 tbsp breadcrumbs (for the base)
For the Mushroom Gravy
- 2 tbsp butter (or vegan butter)
- 1 tbsp olive oil
- 1 small onion or shallot, finely chopped
- 8 oz mushrooms, minced or thinly sliced
- 2 garlic cloves, minced
- 2 tbsp flour
- 1 ½ cups vegetable broth
- 1 tsp soy sauce
- 1 tsp thyme
- Salt & pepper
- Optional: a splash of cream or plant cream
Step-by-Step Directions

1. Make the Nut Loaf Filling
- Heat the olive oil in a large skillet over medium heat.
- Add the onion, carrot, celery, and garlic. Sauté for 5–7 minutes until softened.
- Stir in the mushrooms and cook until most of the moisture evaporates, about 5 minutes.
- Mix in the lentils, nuts, soy sauce, tomato paste, mustard, thyme, rosemary, and smoked paprika. Season with salt and pepper. Cook for another 3–5 minutes, then remove from heat and allow it to cool slightly.
- Once cooled, stir in the breadcrumbs and eggs until everything is well combined. If the mixture is too dry, add a splash of vegetable broth. If too wet, add more breadcrumbs.
- Shape the mixture into a firm loaf using your hands and chill for 15–30 minutes.
2. Assemble the Wellington
- Preheat your oven to 400°F (200°C).
- Place a sheet of parchment paper on a clean surface and roll out the puff pastry.
- Sprinkle a line of breadcrumbs down the center of the pastry. This will prevent the pastry from becoming soggy during baking.
- Carefully place the chilled nut loaf on top of the breadcrumbs.
- Fold the pastry over the loaf and seal the edges, making sure it’s tightly wrapped. Flip the Wellington so that the seam is on the bottom.
- Brush the top with a beaten egg wash (or plant milk for a vegan version).
- Use a sharp knife to score the top of the pastry for decoration.
3. Bake the Wellington
- Place the Wellington on a baking sheet and bake for 30–40 minutes, or until the pastry is golden brown and crispy.
- Let it rest for 10 minutes before slicing.
4. Make the Mushroom Gravy
- In a saucepan, heat butter and oil over medium heat.
- Add the onion and sauté for about 3 minutes until softened.
- Stir in the mushrooms and cook until browned, about 5 minutes.
- Add the garlic and sauté for another minute.
- Stir in the flour and cook for 1 minute to form a roux.
- Gradually whisk in the vegetable broth, followed by the soy sauce and thyme.
- Season with salt and pepper, and let the gravy simmer for 5–10 minutes, or until thickened.
- Optionally, add a splash of cream for a richer gravy.
Tips & Variations
- Make it vegan: Use vegan puff pastry, flax eggs, and plant butter to keep the dish fully plant-based.
- Add greens: Mix in chopped spinach or kale for an extra nutritional boost.
- Festive version: For a holiday twist, add dried cranberries and chopped chestnuts to the filling.
- Make ahead: You can assemble the Wellington a day in advance and store it in the fridge until you’re ready to bake.
- Crisper bottom: For a crispier bottom, bake the Wellington on a preheated pizza stone or baking sheet.
FAQs
Can I make this Wellington in advance?
Yes, you can assemble the Wellington up to 24 hours before baking. Just cover it tightly with plastic wrap and store it in the fridge.
Can I freeze the Wellington?
Yes, this dish freezes beautifully. Once assembled, wrap it tightly in plastic wrap and foil before freezing. When ready to cook, thaw it overnight in the fridge and bake as instructed.
What can I substitute for lentils in the filling?
If you prefer, you can use cooked quinoa, chickpeas, or even black beans as a substitute for the lentils. Just make sure they are well-cooked and mashed if necessary.
Can I make the mushroom gravy ahead of time?
Yes, you can make the mushroom gravy in advance. Store it in the refrigerator for up to 3 days and reheat it on the stove when ready to serve.
Conclusion
The Vegetarian Nut-Loaf Wellington with Mushroom Gravy is a fantastic, plant-based alternative to the classic Wellington, making it perfect for any holiday or special occasion. With its hearty nut and lentil filling wrapped in golden, flaky puff pastry and paired with a rich, savory mushroom gravy, this dish is sure to be a crowd-pleaser. Whether you’re serving vegetarians or meat-lovers, this Wellington will delight everyone with its delicious flavors and impressive presentation. So, why not give it a try for your next celebration? You won’t regret it!