Name: Vegan Fish Pie
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Yield: 4
Cuisine: British
Ingredients: 2 (400g) tins butter beans – drained, rinsed and mashed lightly; 1 tbsp vegan butter; 2 onions – chopped finely; 3 cloves garlic - finely chopped; 2 leeks – washed and sliced; 1 tbsp fresh dill - roughly chopped; 1 tbsp fresh parsley - roughly chopped; 250ml oat cream; Splash of white wine*; 1 sheet nori - finely chopped; 2 tsp capers – finely chopped; 3 tbsp nutritional yeast; 1 cup frozen peas; 1 kg white potatoes – peeled and chopped into 2cm (ish) cubes; 2-4 tbsp non-dairy milk - add a little more or less to get the right consistency - it'll depend on your potatoes; 2-4 tbsp non-dairy butter - start with 2 tbsp and add more bit-by-bit

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Our vegan fish pie is truly delicious! You might be thinking, how do you make fish pie vegan? But don’t worry…we’ve actually spent a long time testing and researching how to make the best vegan fish pie. The full recipe is at the bottom of the page.

We’ve tried it out on numerous friends and family and we’re confident of the finished result! It’s been very well received on Instagram too. Read on for the best vegan fish pie recipe...

Fishless pie in a white round dish with a blue rim. There's a spoon in the background and a checked cloth in the foreground around the circular dish — Vegan fish pie is one of our ultimate comfort foods.

Jump to:

What is vegan fish pie?
Why we use butter beans as the main protein in this fishless pie
What goes in a vegan fish pie?
What is nutritional yeast?
Creamy buttery vegan mashed potatoes
📖 Recipe
💬 Comments

What is vegan fish pie?

Fish pie is a classic British dish that people all over the country look forward to, because it is just so comforting. But what about those of us who want to move away from eating meat and fish? Then this one's for you because we’ve totally veganised it!

This vegan fish pie is:
Comforting
Herby
Creamy
Hearty

Fish pie isn’t a traditional pie with pastry. It has a filling in the bottom of a dish and is topped with mashed potatoes. So it’s more akin to a shepherd’s pie or cottage pie in that sense. It’s often made with a creamy, herby sauce that the fish is cooked in, which contains peas and leeks, and it’s also often topped with cheese too.

I know it’s a cliché, but when I was younger my Dad made the best fish pie ever (hey Dad!) and I had the greatest memories associated with it. When he was making it I looked forward to it so much – it was a real ‘thing’. Does that sound weird? Anyway, I wanted to try to recreate that feeling with this vegan version. Fun fact: my Dad loves vegan food now, and is well on his way to becoming a fully fledged vegan…isn’t that right Dad? 😜

A slice of vegan fish pie with tenderstem broccoli on a cream plate with a fork to the right. Carrots in the top right corner on another cream plate.

Why we use butter beans as the main protein in this fishless pie

A pink bowl of butter beans piled high, a bunch pf parley is in the background with garlic and onion in the foreground. — Butter beans are a great source of plant-based protein.

Usually a fish pie recipe is made with white fish, which from memory, is pretty bland before being battered, put in a sauce or marinaded.

We wanted to move away from using tofu in this dish, as we wanted to create a mixture between flakey and whole pieces of protein. We just didn’t think this would be as do-able with tofu.

Butter beans are a great source of protein, and are also pretty bland before flavouring. In this recipe, we’ve flaked some of them and kept some of them whole. We’ve done this simply by mashing them a bit with a potato masher. Not until they’re paste-like but just until they’re a bit flakey, whilst leaving some of them intact. We also found that they take on the flavour of the sauce pretty nicely too.

A pink bowl full of mashed butter beans with parsley, peas and capers in the background. — Semi-mashed butter beans.

These are some other proteins that could work in a vegan fish pie, in case you haven’t got butter beans handy:

Chickpeas
Cannellini beans
Borlotti beans
Firm tofu (let us know how this goes if you decide to use it!)

What goes in a vegan fish pie?

We’ve created a classic flavour by substituting dairy cream for oat cream, using nori to add a ‘fishy’ flavour, as well as the classic herbs – dill and parsley. We’ve also used a splash of white wine to enhance the flavour of the sauce. Don’t worry if you don’t like cooking with wine, it can be substituted for water. We’ve made it both ways and it’s still delicious if you don’t use the wine.

Interestingly, neither of us are big fans of dill or parsley by themselves. Although, in this recipe, mixed with just the right amount of complementary ingredients, it all amounts to vegan food heaven! So even if you’re like us, we hope you’ll give it a try anyway…

A round slate board with small pots of nutritional yeast, capers and leeks. A tablespoon is full of vegan butter, cloves of garlic, parsley and dill also visible.

A little bit about capers...

Capers are a lesser known ingredient but are often found on pizzas, in sauces and in salads. They’re an interesting ingredient, and often used for their slightly pickled flavour as they’re sold pickled – in jars, usually.

Fun fact: capers are neither a fruit or a vegetable. They’re in fact an unopened flower bud of the caper bush, which is also different to a caperberry. They kind of look like the stone found inside an olive!

What is nutritional yeast?

Nutritional yeast, often referred to as ‘nooch’ is a type of yeast flakes. It’s a great source of B vitamins, including B12 – where it has been fortified with it. This type of yeast is not used for fermentation because it’s treated with heat to deactivate it.

It’s a wonder ingredient for vegan recipes because it adds such a unique creamy and cheesy flavour. You’ll find it in most of our creamy dishes for this reason alone. It’s the ultimate ingredient for any vegan cheese sauce too. We always keep it stocked in our cupboard as it’s just so handy!

We often use nutritional yeast in place of vegan parmesan to put on pasta or risotto. It's also included in our Cashew parmesan recipe, which is a top notch parmesan alternative too.

Nutritional yeast is a complete protein, however it isn’t used as a main source of protein in recipes, due to the amount that would be needed. Luckily, there’s loads of whole protein sources in a vegan diet to choose from, like beans, lentils, tofu, the list goes on and on!

Ingredients laid out on a round slate. Including nutritional yeast, capers, vegan butter, garlic, leeks, parsley and dill.

Where can I buy nutritional yeast?

When buying nutritional yeast, it’s important to remember to buy the type that’s fortified with vitamin b12, to make sure you’re getting enough b12 on a vegan diet. It is just one source of vitamin b12 – there are many foods that provide a decent serving of the vitamin, for example, vegan milks, butters and even cereals.

As with most things, it’s cheaper to buy nutritional yeast in bulk. We've bought it from the supermarket, however we’ve found that it’s cheaper to buy online or in health food shops (often more expensive in health food shops though).

These are the best options we’ve found online:

Creamy buttery vegan mashed potatoes

In our house, Dan is the king of vegan mashed potatoes! So whenever we make this vegan fish pie, he’s always in charge of the potatoes. And I’m in charge of the sauce – we make a great team like that!

Basically, all you need to make the most delicious and indulgent vegan mashed potatoes is four ingredients. They are:

Potatoes
Oat milk
Vegan butter
Seasoning

A big pile of cooked potatoes on a silver tray with oat milk in a quarter cup measurer, vegan butter in a white pot and leeks and parsley in the background — The key ingredients for creamy buttery vegan mashed potatoes

We’ve found that using a particularly ‘buttery’ vegan butter is best. Stay away from coconut based spreads as they taste a bit too coconutty. We like to use Flora Buttery or Vitalite for best results. If you have it available in your area we would also highly recommend Naturli. For our American and Canadian readers we’d recommend Earth Balance, which incidentally also holds the crown of best vegan butter we’ve ever tried!

How to make creamy vegan mashed potato

Once you have all four of these staple ingredients, it’s just a case of mashing the potato first, then adding in the butter, oat milk and seasoning. Continue to mash until it’s super creamy and smooth. Give it a taste test to see if it needs any more seasoning, butter or milk. Just be careful not to add too much milk as it will become runny, which wouldn’t be very good.

If you have a potato ricer, we would wholeheartedly recommend using it. A potato ricer is one way to ensure there will be no lumps! This is the potato ricer that we use.

A standard hand held masher will also do the trick. We’ve found that a stainless steel masher works better than plastic ones. However, it may be best to use a plastic one if you want to protect a non-stick coating on your sauce pan.

Here are the links to the potato mashing equipment we’ve used:

Don’t forget, if you don’t have any of these pieces of equipment, use a fork to mash the potatoes! It may take longer and not be quite as efficient, but it will still do the job.

A piece of fishless pie on a cream plate with parsley on top of the mashed potato. The pie dish and vegetables can be seen in the background.

What is the best plant milk for mashed potatoes?

In our opinion, the best vegan milk for mashed potatoes is oat milk. We tend to use Oatly Barista because it’s super creamy and we always have it in the fridge.

We’ve tried to use almond milk, but we find it too flavourful and a little bit sweet for mashed potatoes. Unsweetened soya milk also works well, but if possible we’d recommend using oat milk because we’ve had the best results with it.

Ultimately, make sure the plant milk isn’t sweetened, is made from a bland source and is creamy, rather than watery.

A quick run through of our vegan fish pie in real life!

📖 Recipe

Vegan Fish Pie

★★★★★

5 from 6 reviews

Author: Jess Saunders
Prep Time: 30 minutes
Cook Time: 30 minutes
Total Time: 1 hour
Yield: 4 1x
Diet: Vegan

Print Recipe

Description

This vegan fish pie is the ultimate comfort food. Ready in around 1 hour, it's well worth the time to make it, and we're sure your family and friends will love it too! Please leave a review if you like it, we'd be hugely grateful.

Ingredients

Units Scale

For the filling:

2 (400g) tins butter beans - drained, rinsed and mashed lightly
1 tbsp vegan butter
2 onions - chopped finely
3 cloves garlic - finely chopped
2 leeks - washed and sliced
1 tbsp fresh dill - roughly chopped
1 tbsp fresh parsley - roughly chopped
250ml oat cream
Splash of white wine*
1 sheet nori - finely chopped
2 tsp capers - finely chopped
3 tbsp nutritional yeast
1 cup frozen peas

For the top:

1 kg white potatoes - peeled and chopped into 2cm (ish) cubes
2-4 tbsp non-dairy milk - add a little more or less to get the right consistency - it'll depend on your potatoes
2-4 tbsp non-dairy butter - start with 2 tbsp and add more bit-by-bit

Instructions

Once you've peeled and chopped your potatoes, cook them in boiling water until soft enough to easily push a fork into them - around 10-15 minutes.
Pre-heat the oven to gas mark 5.
Drain and mash the potatoes, add in the vegan butter and oat milk, add 2 tablespoons of each at first, then add more if needed.
Mash the potatoes until smooth and creamy. Add salt and pepper to taste. Set aside.
Empty the butter beans into a big bowl and mash them until some are broken up but some are still mostly whole.
In a large pan, heat the vegan butter until melted, then add the onions. Cook until onions are translucent.
Add the garlic for a couple minutes over a lower heat, so it doesn't burn.
Add in the leaks, and cook until softened.
Sprinkle the fresh herbs over the mixture and stir really well.
Pour in the oat cream and a splash of white wine (or water if not using wine).
Once it's all nice and hot, add the capers, nori and nutritional yeast, and again, stir well.
Finally, add the butter beans and peas. Stir well, letting the mixture heat up.
Pour the creamy butter bean mix into a large pie dish then top with the mash potato.
Rough the potato with a fork so it's covered in lines - this will give it a nice texture and allow some of it to brown.
Bake in the oven for 20-30 minutes (keep an eye on it, you may find it bubbles up a bit, but that's normal, turn it down if you think it's bubbling too much).
Take out of the oven and serve with a side of veggies, and enjoy!

Notes

You can make two smaller pies or one large – we used one large pie dish, but have previously made two using 24cm pie dishes

You can use water instead of wine, it will still taste lovely.

You could try using sweet potatoes for the topping!

Category: Dinner
Method: Oven bake, Stove-top
Cuisine: British

Keywords: fishless pie, vegan fish pie

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An image of vegan fish pie for Pinterest with the words 'Vegan Fish Pie with Creamy Mashed Potato'