Seafood bisque soup is as delicious as it sounds, but without an expensive price tag. You just need leftover shells from lobster, crab or prawns.
It's easy to make, full of the flavours of the sea and a little kick of cayenne!
Keep reading if you want to know how to make this fabulous soup. It's elegant enough for a starter for entertaining and satisfying for a simple lunch too!
Bon appétit!

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Steaming hot seafood bisque soup with the kick of cayenne. My mouth is watering just thinking about it! This was definitely my husband's favourite when we lived in France and it still is.
There's something really comforting about a soup, whatever the time of year. As a child I remember having soup on cold winter days and, even now, a good soup with a chunk of bread, always makes everything feel better.
This French shellfish bisque is still extremely popular. It's sold in bottles in the chilled section and just needs to be warmed through. Of course, I can't often buy it now, but it's so easy to make at home.
Why you will love this recipe
- This soup uses leftover shellfish shells, so costs very little to make.
- You can make this on the hob, in the oven or in a slow cooker, so you don't have to watch over it.
- You can make this soup in advance so it's perfect for easy entertaining.
- It's rich, creamy and delicious!
What are the ingredients?
The ingredients for the bisque are very simple in that it's leftover shells from prawns, crab and lobster.
Whenever we have shellfish, for a special occasion, I always collect the shells. There is often a lot of meat and flavour tucked away in the nooks and crannies that is impossible to get out by hand.
The best way to do this is to keep a bag in the freezer and add shells to it each time you have shellfish. When you can fill a 2.5 pint bowl or 1.5 litres, you have enough.
You will also need an onion, carrot and celery, tomato puree (or tomato paste) and fish sauce.
How to make seafood lobster bisque
Grab a bag of shells straight from the freezer and spread on an oven roasting dish.
Place it in a preheated oven at 200C/400F/Gas 6 for 15 minutes. Add a glug of brandy and flambée on the hob until the flames die down.
You can skip this step if you prefer.
Tip the whole lot of shells into a stockpot.
Add a chopped carrot, onion and a stick of celery.
Pop in a couple of bay leaves or a bouquet garni and enough water to cover.
Simmer for a couple of hours over a medium heat on the hob or covered in a low oven at 150C/300F. You can also put it in a slow cooker on low for 4 hours.
Remove the big, hard pieces of shell and then use a stick blender, blender of processor the puree the rest. Pour through a sieve, and add some of the sludge depending on how much you like - that's where the taste is!
Add some tomato purée, some fish sauce and season to taste. The fish sauce intensifies the flavours further but you could also use anchovy essence.
At this stage I often find that the seafood bisque is too thin. In a clean saucepan add butter, over a medium heat, until it melts. Next, add some flour and stir for a minute until it forms a thick paste.
Now add the soup to the pan, slowly stirring all the time.
For a really creamy seafood bisque serve with a dollop of crème fraîche and a sprinkling of cayenne pepper. The crusty bread is, of course, obligatory!
FAQ
The soup will happily sit in the fridge for a couple of days and the flavours will develop further. It's perfect for entertaining.
A soup can be made from any ingredient but a bisque is made specifically by simmering shellfish and is normally finished with cream to provide a velvety finish.
Before serving you could stir in a few tablespoons of heavy cream or crème fraîche, or simply swirl over the top so that your guests can stir it in themselves.
You could also add some cooked prawns to the finished soup or any other fish that you like.
This is great for a dinner party as it is so simple, frugal and posh at the same time.
Top tips
- If the sauce is not thick enough for your taste you can use a tablespoon of cornflour mixed with 2 tablespoons of water and stir into the hot soup.
- Serve this with plenty of crusty bread and a crisp Muscadet sur lie wine.
- When you are freezing shells take care to remove the gills and stomach sac, which is found behind the eyes.
What's your favourite fish soup? This is definitely one of mine!
Let me know what you think in the comments or you can post a picture and tag me on Twitter @chezlereve, Instagram @chezlerevefrancais, or Facebook @chezlerevefrancais.
More soup recipes to try
📋 Recipe
Seafood Bisque Soup with Prawn Crab and Lobster
Equipment
- stick blender
Ingredients
- 1.5 litre shellfish shells
- 1 onion roughly chopped
- 1 litre water
- 1 carrot chopped
- 1 stick celery chopped
- 1 bay leaf or bouquet garni
- 50 ml brandy
- 1 tablespoon tomato purée
- 1 tablespoon fish sauce to taste
- 25 g butter
- 25 g flour
Instructions
- Roast the shells at 200C/400F Gas 6 for 15 minutes.
- Add brandy and flambée on the hob.
- Transfer shells to a stock pot and add carrot, celery, onion, bay leaf or bouquet garni and enough water to cover.
- Bring to the boil and simmer for about 2 hours.
- Remove the large pieces of shell and blitz the rest with a stick blender.
- Sieve and add a few spoonfuls of the sludgy shell.
- In a clean saucepan add the butter over a medium heat until melted. Tip in the flour and cook for 1 minute, stirring all the time.
- Transfer the shellfish bisque back to pot, season and add tomato purée and fish sauce before warming through.
- Serve with a dollop of crème fraîche and a sprinkling of cayenne pepper.
Notes
- If the sauce is not thick enough for your taste you can use a tablespoon of cornflour mixed with 2 tablespoons of water and stir into the hot soup.
- Serve this with plenty of crusty bread and a crisp Muscadet sur lie wine.
- When you are freezing shells take care to remove the gills and stomach sac, which is found behind the eyes.
Disclaimer: The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.
Please refer to the post for detailed recipe instructions.
Food safety
We sometimes take for a granted that we have years (or decades) of cooking experience, that the average visitor may not. Add to, or remove from, the list below with health and safety tips.
- Cook to a minimum temperature of 165 °F (74 °C)
- Do not use the same utensils on cooked food, that previously touched raw meat
- Wash hands after touching raw meat
- Don't leave food sitting out at room temperature for extended periods
- Never leave cooking food unattended
- Use oils with high smoking point to avoid harmful compounds
- Always have good ventilation when using a gas stove
This post was originally published in 2016. It has now been updated with further information to help with the recipe.
Kushigalu
What a delicious soup. Perfect treat for all seafood lovers. Thanks for sharing
veenaazmanov
Delicious and a flavorful dish and sea food, Sounds super delicious and yum.
Chris Collins
Now this is proper comfort food! Can't wait to make this for dinner tomorrow 🙂
Vicky
This soup is amazing!! Delicious recipe!
Tania | Fit Foodie Nutter
This delicious soup transported me to sunny France, which was so much needed (it's been raining buckets in England for days!) Such a delicious dinner for any day of the week!