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How to Cook Celeriac

Updated on December 9, 2014

Celeriac is SO easy to cook

Celeriac, like all root vegetables, is the ultimate in comfort food.

You cook celeriac as you would any of the popular root vegetables, roast them, mash them, simmer in a stew or blend them for soups.

I love celeriac with potato, either mashed, or baked in a casserole. Celeriac makes great wedgies too!

Here's my oven baked recipe, for creamy celeriac and potato casserole with cheese.

Where do you start with a Celeriac?

If you've just met a celeriac for the first time, you will be forgiven for scratching your head and wondering just where to start on this odd looking bulbous vegetable.

It may not be the prettiest vegetable, but it's simple to cook and tastes like a mixture of celery and parsley. It can be eaten raw as long as you peel off the thick skin.

Prepare the Celeriac

Celeriac from my back garden

I've certainly grown better looking vegetables but you can't judge a book by its cover or a veggie by its skin.

Straight from my veggie patch

  • Prep time: 20 min
  • Cook time: 40 min
  • Ready in: 1 hour
  • Yields: 2 - 4

Celeriac and Potato Gratin - Ingredients

  • Medium size celeriac
  • 5 medium potatoes
  • 50 g butter approx
  • Salt and pepper to taste
  • 1 and 1/2 cups cheese sauce


  1. Cut the skin off the celeriac (as shown in the video above).Chop into quarters
  2. Peel and slice the potatoes as thinly as you can
  3. Thinly slice the celeriac
  4. Put the sliced vegetables into a bowl of cold water to stop them from discolouring
  5. Rub some butter around the bottom and sides of the baking dish
  6. Layer the bottom of the dish with a mix of potato and celeriac slices
  7. Pour some cheese sauce over
  8. Repeat the process with another layer of sliced vegetables and cheese sauce until the dish is full
  9. Put the dish in the middle of a preheated warm to medium high oven for about an hour
  10. The gratin should be browned on top and cooked all the way through - test with a small knife
Cast your vote for Celeriac and Potato Gratin
  • Cook time: 10 min
  • Ready in: 10 min

Cheese Sauce

  • 3 tablespoons butter
  • 3 tablespoons flour
  • 1 and 1/2 cups milk
  • 1 cup grated cheese


  1. Use any cheese for sauce. Choose grated mild or sharp Cheddar, Havarti, or any smoky flavoured cheese.
  2. Melt butter; remove from heat.
  3. Stir in flour.
  4. Gradually add milk, stirring until well mixed.
  5. Cook over low heat, stirring constantly for 5 minutes after the sauce has,thickened until smooth.
  6. Add cheese.
  7. Stir until smooth and well blended
  • Cook time: 6 min
  • Ready in: 6 min

Cheese Sauce in the Microwave

  • 1 cup shredded cheddar cheese
  • 2 cups milk
  • 2 tablespoons butter
  • 2 tablespoons plain flour


  1. First put the butter in a large microwave safe bowl and cook on high heat until melted - about 20 seconds
  2. Take out the bowl. Stir in the flour until blended and smooth.
  3. Stir in milk, salt and pepper.
  4. Cook on high for approximately 2 minutes.
  5. Take out the bowl. Stir and cook again for another 1-2 minutes or until thickened.
  6. Take out the bowl. Stir in the cheese. Cook on high power for 1 minute.
  7. If you have any lumps, give it a quick whisk.

Celeriac makes wonderful soup

Slightly tangy. Slightly smoky

Fully tasty

Celeriac Soup - Video

Do you cook with Celeriac?

What do you make with Celeriac?

See results

© 2011 Susanna Duffy

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    • hungry-deer profile image

      hungry-deer 4 years ago

      Thank you very much for shring tips. I love celery, and was looking for some recipes. Will definitelly try one.

    • victoriahaneveer profile image

      victoriahaneveer 5 years ago

      I've spotted this in the supermarket but always ignored it because I didn't know how to cook it. Now I do. I will try some this week.

    • Grasmere Sue profile image

      Sue Dixon 6 years ago from Grasmere, Cumbria, UK

      Your celeriac lens is not being fully appreciated right now, so I'm giving it a little love and featuring it on my celeriac lens. We celeriac fans must stick together!

    • Elle-Dee-Esse profile image

      Lynne Schroeder 6 years ago from Blue Mountains Australia

      Have been meaning to try it - might just have to now.

    • profile image

      anonymous 6 years ago

      Great lens! I'm ashamed to say I never heard of Celeriac until now.

    • Gordon N Hamilton profile image

      Gordon N Hamilton 6 years ago from Wishaw, Lanarkshire, United Kingdom

      Great lens and fabulous recipes, Susanna. You have convinced me. Believe it or not, I see celeriac in the supermarket all the time but not only have I never cooked it, I've never even tasted it. Definitely going to give it a go.

    • profile image

      anonymous 6 years ago

      Great lens, Susanna! I've never heard of this. Sounds yummy!

    • OhMe profile image

      Nancy Tate Hellams 6 years ago from Pendleton, SC

      Wow, you sure did a super job on this one and I learned so much. I do remember reading a lens or two about Celeriac but have never tried it and this recipe makes Cooking with Celeriac something that I think I would like. Your Celeriac and Potato Gratin Recipe sounds yummy. I can't even imagine what Celeriac must taste like so guess I will have to give it a try. Thanks for the heads up!