Celeriac purée, creamed celeriac or just plain celeriac mash, is a classic French side dish, that goes so well with lots of starters and main courses, including fish, roast meats and hearty casseroles.
Light and delicious, this recipe feeds a crowd, is easy to make in advance and freezes beautifully too. This makes it perfect for entertaining and large family gatherings.
If you've never had it before, then you definitely need to try it, especially if you are a fan of mashed potatoes!
Do you eat celeriac? I have to admit that, until I lived in France, I had never eaten it and had never really wanted to! In all fairness, I've only seen it in the UK supermarkets in the last 10 years.
It's called céleri-rave in French, celeriac in English, and is often known as knob celery, turnip rooted celery or celery root too.
It's a root vegetable like carrots and swede, but it does have a tangle of extra, smaller roots, rather than one long one. We always refer to it as the brain!
In France, its readily available fresh, or very conveniently in frozen purée form, which you can just warm through in a saucepan without defrosting, but it is really easy to cook.
Despite it's strange and rather alien appearance, it's quite easy to prepare. And, while I normally struggle with cutting up a whole swede, a whole celeriac is much lighter to work with and chop. It's definitely worth the effort!
And, it is also delicious raw, in the French equivalent of coleslaw, in carrot and celeriac remoulade.
❤️ Why you will love this dish
- Easy to make.
- Use in place of potatoes for a lower carb side dish.
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- Celeriac - a whole celeriac, unpeeled. They are available in most larger supermarkets and farm shops.
- Milk - whole milk or semi skimmed milk for flavour.
- Butter - for flavour and texture. If you uses salted butter remember to adjust the seasoning.
- Salt - flaked sea salt.
- Pepper - freshly ground black pepper.
- Nutmeg - freshly ground nutmeg pairs very well with celeriac like it does with potatoes.
The printable recipe card with full ingredient quantities and instructions can be found at the bottom of the article.
- Large saucepan
- Wooden spoon
- Food processor/blender or potato ricer/potato masher
- Sharp knife
Start by preparing the celeriac. Rather than use a vegetable or potato peeler, I like to use a large sharp knife.
I have found that the easiest way to tackle celeriac is to treat it like you would a whole pineapple.
Cut about 1cm or so from the knobbly base, until the roots are removed, the cut a slice off the sprouting end.
The celerial will now sit safely on the chopping board. Now cut the remaining peel by cutting from top to bottom in sections, making sure that any black pieces are removed.
Cut slices about 2cm or an inch, then cut these into chunks.
💭 Top Tip
- If you want to prepare the celeriac to cook later then leave it submerged in water in a large bowl or saucepan. Add 2 tablespoons of lemon juice, from a bottle is fine, as this will help it to keep its colour and not turn brown.
Put the chunks into a large saucepan and cover with the milk.
💭 Top Tip
- Due to the chemical make up of milk it can very quickly boil over when you are trying to bring it to a simmer. Give it a stir every few minutes to avoid this.
⏲️ Baking Time
Bring the milk to a simmer over a medium heat and cook the celeriac for 20 to 30 minutes until it's tender.
There's no need to drain, so either mash the celeriac directly in the pan or transfer to a food processor or blender to mash until very smooth.
Return the celeriac purée to the saucepan.
Turn on a medium heat and add the butter to the pan, stirring while it melts.
Add the seasoning to taste and the grated nutmeg.
Garnish with a little extra melted butter, chopped parsley and an extra grating of nutmeg before serving.
🥗 Serve with
The flavours of celeriac go particularly well with fish dishes or casseroles and meats in rich sauces. Try:
- Baked monkfish tails
- Baked side of salmon
- Tuscan roast pork
- Coq au vin
- Cannon of lamb
- Beef olives
- Roast garlic and tarragon chicken
- Pigeon breast
- Butter - reduce the amount or leave it out if you prefer.
- Fish - use a as a base for cooked fish in a starter or main course, such as seared scallops with chorizo.
- Potatoes - use in place of mashed potatoes in a cottage pie, shepherd's pie or a fish pie. Or, combine the creamed celeriac with mashed potato for a different side dish.
- Luxury - swap some of the butter for a dollop of crème fraîche or cream.
- Refrigerator - cool to room temperature and keep for up to 3 days covered.
- Freezer - pack into containers aend freeze for upto a month.
- To reheat - place in a saucepan over a medium heat until thoroughly heated through.
🍱 Prepare in Advance
- Make the celeriac purée, cool in the saucepan, cover and refrigerate. Gently warm in the saucepan to serve.
Celeriac has a mild flavour that is lighter than celery and about the same strength as parsnip. It also tastes slightly nutty.
Even without the addition of butter or cream it has a naturally creamy taste.
Compared to potatoes, celeriac has half the calories and carbohydrates than potatoes and zero fat. It also has 3 times the amount of fibre, making it a healthier alternative to potatoes.
More vegetable dishes
- Large saucepan
- wooden spoon
- food processor/blender or potato ricer/masher
- sharp knife
- 800 g celeriac approximately 1 root
- 450 ml milk
- 100 g butter
- 1 teaspoon nutmeg grated
- 1 teaspoon black pepper
- 1 teaspoon salt
- 1 tablespoon parsley fresh and chopped
- 1 tablespoon butter melted
- ⅛ teaspoon nutmeg grated
- Peel then cut slices about 2cm or an inch, then cut these into chunks.
- Put the chunks into a large saucepan and cover with the milk.
- Bring the milk to a simmer over a medium heat and cook the celeriac for 20 to 30 minutes until it's tender.
- Mash the celeriac directly in the pan or transfer to a food processor or blender to mash until very smooth.
- Return the celeriac purée to the saucepan over a medium heat and add the butter to the pan, stirring while it melts.
- Add the seasoning to taste and the grated nutmeg.
- Garnish with a little extra melted butter, chopped parsley and an extra grating of nutmeg before serving.
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.
Detailed instructions for this recipe, including step by step photographs, hints and tips, can be found in the main article.
More French side dishes
🍲 Food Safety
- 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 gas.
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