7 Low-Carb Potato Substitutes (and How to Cook Them All)

low carb potato substitutesDo you miss potatoes on your low-carb diet?

I used to miss them so much. Problem is, they are so versatile. So once you cut out potatoes, you also cut out fries, crisps, mash, roast potatoes… Sigh.

Don’t despair. There is another way.

The potato might be the most popular root vegetable, but it isn’t the only one.

Its siblings in the root vegetable family are less famous but taste just as good.

They are not victims of intensive farming like potatoes, so they contain less starch and fewer carbs.

You have probably already tried cauliflower and courgettes. But have you considered celeriac, swede (also known as rutabaga), turnips, daikon (also known as mooli) and kohlrabi?

All these clever vegetables can fill the gap in your food where potatoes used to be.

They all work well roasted, boiled, mashed, steamed or added to soups and stews. A bit of fat and basic seasoning is all they need.

Let’s look at what each one can do for your diet.

1) Celeriac – 7g net carbs, 42cal per 100g

celery-root-celeriac-low-carbCeleriac is the root of a special variety of celery. It isn’t the best-looking vegetable in the world. Most people overlook it as something utterly baffling.

But celeriac’s rough exterior hides flavourful delicate flesh. Subtle hint of celery enhances the taste but doesn’t overwhelm it.

Celeriac as low-carb potato substitute – Oven chips (oven fries)

  • Take one large celeriac, peel its ugly outer skin
  • Cut into slices and then into fat chips
  • Boil quickly for 2 minutes or so in boiling salted water, uncovered
  • Drain the chips
  • Spread over a baking sheet in a single flat layer
  • Add a generous amount of oil, season with salt and pepper
  • Roast in a hot oven for 30-35 minutes at around 230C (210C fan oven), Gas Mark 8, 460F

2) Daikon (aka mooli) – 2g net carbs, 18 cal per 100g

daikon-low-carb-potatoes-substituteDaikon is a variety of radish popular in South East Asia. You can eat daikon raw, pickled or cooked. We are including daikon in this selection in its cooked form. It is most like potatoes when steamed, boiled or fried.

Daikon as low-carb potato substitute – Boiled

  • Take 2 large daikon and peel using potato peeler
  • Slice into thick circular slices
  • Boil in a large pan of salted water for about 30 minutes
  • Test with a knife or a fork – just like potatoes, daikon should be quite soft when ready
  • Drain and serve with butter or olive oil, pepper and salt

3) Swede (aka rutabaga) – 5g net carbs, 35 cal per 100g

swede-potato-alternativeSwede is a root vegetable that originated as a cross between the cabbage and the turnip. Popular in Scandinavia, swede works well roasted, baked and boiled.

You can use it in side dishes, soups, stews and juliennes.

Swede as low-carb potato substitute – Roasted

  • Take one large swede, peel and cut into chips
  • Tip into a shallow roasting dish, add olive oil, salt and pepper (plus maybe some rosemary)
  • Roast for 30-35 minutes in a hot oven 220C (fan 200C), Gas Mark 8, 400F, until crisp and golden on the outside

4) Turnips – 4g net carbs, 28 cal per 100g

turnip-potatoes-substitute2Turnips are universal and very popular in England.
If you are British, you will probably remember how Baldrick once spent £400,000.
You can bake, boil and steam turnips.

Turnip as low-carb potato substitute – Mashed

  • Take 3-4 turnips, peel and cut into chunks
  • Put them in a large pan of boiling water, then simmer for 20-30 minutes until tender
  • Drain and mash with 1.5oz (50g) butter and 1 tbsp cream
  • Season with salt and pepper

5) Kohlrabi – 2g net carbs, 27 cal per 100g

kohlrabiKohlrabi is a Sputnik-like vegetable with a solid round bulb and shoots sticking out like antennas. It has a delicate flavour and crunchy texture, turning soft and mild when cooked.

Boiling, steaming or frying are the best ways to cook it.

Kohlrabi as low-carb potato substitute – Fritters

  • Take 1-2 large kohlrabi, cut off the leaves, peel and grate
  • Put the grated kohlrabi in a tea towel and squeeze to remove moisture as much as possible
  • Add 1-2 eggs, salt and pepper and mix
  • Add oil to a frying pan or skillet – enough for about ¼ inch (5mm) depth and heat over medium high heat
  • Place small patties of the mixture into the oil
  • Fry on one side until brown, then on the other side
  • Place on a paper towel before serving to remove excess oil

6) Cauliflower – 2g net carbs, 23 cal per 100g

cauliflower-instead-potatoesWe are now at the better-known end of the spectrum with cauliflower. Cauliflower is the star of many low-carb recipes. Mashed cauliflower and cauliflower rice are popular low-carb staples. You can also roast and fry cauliflower, add it to stews and soups, and make into its own potato-like dishes.

Cauliflower as low-carb potato substitute – “Tater tots”

  • Cut one large head of cauliflower into chunks
  • Steam or boil them, then mash using potato masher or blender
  • Add 2 eggs, ½ cup (2oz / 60g) of parmesan cheese, ½ large shredded onion
  • Form round or oval shapes and place them on a greased baking tray
  • Bake in a hot oven 220C (fan 200C), Gas Mark 8, 400F, for about 20 minutes, or until crisp and golden on the outside

More low-carb recipes with cauliflower

7) Courgettes – 2g net carbs, 20 cal per 100g

courgettes-potato-alternativeAnd last but not least, we get to courgettes (that’s zucchinis in USA). Another great favourite with the low-carb crowd, courgettes can go into all sorts of dishes. Fries, “zoodle” noodles, lasagne sheets are just some examples.

Courgettes as low-carb potato substitute – Crisps (that’s chips in USA)

  • Slice courgettes into thin slices
  • Press paper towel over them to remove as much moisture as possible
  • Put the slices on baking-parchment lined baking trays in a single layer – make sure they don’t overlap
  • Brush all slices with olive oil
  • Bake in a barely hot oven at around 110C / 225F / Gas Mark ¼ for about 2 hours or even longer – until crisps start to brown and are crispy rather than soft
  • Season with salt and pepper

More low-carb recipes with courgettes

Additional low-carb(ish) options

The options below are bit higher in carbs. Depending on your daily carb limit, you might be able to fit these in as well.

Carrots 7g net carbs 41 cal
Beetroot 7g net carbs 43 cal
Butternut squash 10g net carbs 45 cal
Parsnips 13g net carbs 75 cal
Sweet potatoes 17g net carbs 86 cal

Try out these ideas and escape from the overwhelming dominance of potatoes!
Do you have any other suggestions for low-carb potato substitutes?

Recommended Low-Carb Cookbook

Do you need more ideas for low-carb side dishes?
Check out this cookbook – 20 Low Carb, Paleo and Primal Side Dish Recipes.
View the book on Amazon

Low carb potato substitutes

61 thoughts on “7 Low-Carb Potato Substitutes (and How to Cook Them All)”

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  21. You have the same vegetable twice. The picture is just the same, one with the foliage taken off .
    In some countries they call a Swede a turnip. But the turnip is a white carrot looking vegetable, that is great cook as oven chips. Spud the scarecrow on bob the builder has a turnip for his nose.

    1. Catherine, turnips and swedes look similar, both round with cream and purple colouring. For a white carrot looking vegetable, you’re probably thinking of a parsnip.

    2. Spud the scarecrow has a parsnip nose. You are right in that some countries call turnips swede’s and vice versa. However they are different vegetables with in the same brassica family. Turnips (Brassica rapa) are smaller than a swede and have a stronger “cabbagey” flavour. Swedes (Brassica napus) short for Swedish turnips is a lot larger in size and winter hardy in temperate climates such as the Uk, where as the turnip is not. Parsnips look like white carrots but again different family taxonomically speaking.

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  39. Früher noch ein Hater doch jetzt bist du ein Stalker.
    Du hast n scheiß Charakter und da hilft dir auch kein Low-Carb!

  40. Margaret Gooding

    I have tried mashed cauliflower and mashed turnips, not a fan of either one. They are way too bitter, especially the turnip. I will try some of these other options. We need mashed potatoes with Thanksgiving dinner. I already have good substitutes for nearly everything else.

  41. Andreas Philippou

    The best way to eat kohlrabi is raw. Cut in thin slices add lemon salt and pepper and eat it as an appetizer with your ouzo, scotch or beer. That is coming from a Greek Cypriot.

  42. Tried spiralising a swede and it is quite hard going but do-able. Microwaved the shreddings and first attempt was too long at 4mins and they virtually disapear into a mush. Second attempt mix with some home made chicken and bean curry which was already cooked and I stired them into it and microwave. 2.5 mins later it was a meal and a very nice one.

  43. How come nobody on the keto pages are talking about the zero carb and low carb potatoes being produced?
    One of them is even organic!
    Personally I’d take the GMO over the organic since it has zero carbs vs 15, but lots of people are adamantly (if not illogically) against GMOs so they’d probably go for the other.

    1. I haven’t heard of this until I read your comment. I have just googled it and indeed, there it is – a low-carb potato. Hmmm… My initial reaction is a bit skeptical, but I will need to do a bit more research. I will find out more and will post an update. Thanks for pointing this out to me!

    2. We are illogically against GMO! If you like to poison yourself with Round Up, go for it. I for one, was plagued with a colon disease, and had it removed. I choose to keep the rest of my digestive system healthy AND my entire body. Round Up, in case you didn’t know, is poison.

  44. Josephine Chan

    I just tried radishes in my beef stew yesterday as a substitute – couldn’t tell the difference! They tasted like those little red potatoes!

  45. Swede is high in Vitamin C, which is a very powerful oxidant and Swede Chips taste very great with ketchup 😀 I think it’s the greatest substitute of potato

  46. More options:
    * Jicama
    * Jerusalem artichokes
    * Yucca (aka cassava … higher carbs but still acceptable)

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