Celeriac Mash

A simple celeriac mash recipe with sweet onion and butter. A creamy, family-friendly side dish that's easy to make and pairs well with fish, roast dinners, and more.

Celeriac Mash

Looking for a change from regular mashed potatoes? This celeriac mash is creamy, comforting, and brings a lovely mild, slightly nutty flavour to the table. It’s simple to make with just a handful of ingredients, and it works brilliantly alongside fish or as part of a roast dinner.

You can serve celeriac mash on its own for a lighter, lower-carb alternative to potato mash, or combine it half-and-half with potatoes if you’d like something a little more familiar for younger family members. Either way, it’s a great way to introduce a new vegetable at dinnertime.

Ingredients

  • 1 large celeriac, peeled and diced
  • 1 onion, finely chopped
  • A thin slice of butter
  • Salt and pepper, to taste

Method

1. Cook the celeriac. Bring a pot of salted water to the boil. Add the celeriac and cook until tender, about 20 minutes.

2. Prepare the onion. While the celeriac is cooking, melt the butter in a saucepan and sweat the onion gently until translucent but not coloured. This takes about 5–7 minutes.

3. Mash and season. Once the celeriac is tender, drain well and return the pot to a low heat for a minute so any excess water can evaporate. Add the cooked onion along with salt and pepper, then mash everything together until smooth. Taste and adjust the seasoning as needed.

4. Serve. Serve the celeriac mash on its own or mixed with mashed potato, alongside fish, roast meats, or your usual family dinner favourites.

A Simple Tip

For an extra-rich mash, stir in a little more butter at the end. It’s a small touch that makes the dish feel a bit more indulgent for a Sunday roast.

Frequently Asked Questions

Can I make celeriac mash ahead of time?

Yes, you can prepare it in advance and gently reheat it on the hob or in the microwave, stirring in a splash of milk or a little extra butter if it needs loosening.

Does celeriac mash taste like potato mash?

Not quite — celeriac has a milder, slightly nutty and faintly celery-like flavour. Mixing it with potato is a good way to ease fussier eaters into trying it.

What goes well with celeriac mash?

It pairs particularly well with fish and also works nicely as a side for roast dinners, alongside meats and vegetables.

Can children eat celeriac?

Celeriac is a mild vegetable that many children enjoy, especially when mashed and combined with a little butter or blended with potato for a familiar texture. As with introducing any new food, keep an eye on how it’s received and adjust to suit your child’s preferences.

Related Articles

If you enjoyed this recipe, you might like these other family-friendly dinner ideas:

  • Simple ways to get more vegetables into family meals
  • Easy roast dinner sides the whole family will enjoy
  • Quick and healthy midweek dinner recipes

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