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Home » Recipes » Vegetable Desserts

Maple Parsnip Cake with Sweet Potato Frosting

Published: Oct 18, 2018 · Modified: May 4, 2020 by Kate Hackworthy · 44 Comments

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This parsnip cake is a delicious alternative to carrot cake. It has a rich, nutty flavour that's perfectly complimented by the maple and nutmeg. The cake is refined sugar free. To add even more vegetables to the cake, I've added a tasty ginger and sweet potato frosting!

This parsnip cake is a delicious alternative to carrot cake. It has a rich, nutty flavour that's perfectly complimented by the maple and nutmeg. The cake is refined sugar free. To add even more vegetables to the cake, I've added a tasty ginger and sweet potato frosting!
A piece of cake sitting on top of a wooden table.

Nutmeg and Parsnip Cake

I really love autumnal flavours. The hot ginger, warm nutmeg and all of the other spices that suddenly find their way into my porridge, lattes and desserts.

Parsnip and nutmeg pair beautifully together in savoury parsnip purees and in soups, but here I've sweetened them up with maple syrup and put them into a vegetable cake.

Parsnip works just like carrot in cakes, adding moisture and sweetness with a mildly earthy flavour. This cake takes a huge 4 cups of grated raw parsnip so you'll definitely be getting your vegetables in this cake - and it won't dry out.

I've also used maple syrup in place of refined sugar and replaced much of the fat with Greek yogurt so this cake is rather healthier than most!

Originally posted 16 November 2014
Updated 18 October 2018

A close up of a slice of cake sitting on top of a table.

Ginger Sweet Potato Frosting

I topped this cake with pureed sweet potato, subtly spiced with freshly grated ginger. It's so easy to make - you just blend all ingredients in a blender until smooth!

There's also far less sugar than most frostings, with only a few tablespoons for the whole cake. The sweet potato adds such a wonderful natural sweet taste.

The results are thick and frosting-like, but without any butter or oil. I only frosted the top, but the recipe below makes quite a lot of icing so you'll be able to frost the sides and inside of the cake if you wish.

Two parsnips + two sweet potatoes = one delicious vegetable cake.

Close up of a slice of cake.

Hidden Vegetable Cake Recipes

I love making vegetable cakes and hidden veg recipes. So much so that I started this blog to showcase them and recently wrote a cookbook all about vegetable dessert recipes!

If you're looking for other parsnip cake recipes, be sure to try my Winter Spiced Parsnip Cake with Mulled Wine Drizzle or Parsnip Lemon Poppy Seed Muffins with Lemon Drizzle. Looking for more unusual vegetable cake recipes? You must try my Apple Kale Cake with Apple Icing.

My cookbook, Veggie Desserts and Cakes, full of creative desserts with vegetables, is now available on Amazon (UK, Canada, USA, Australia and more) - affiliate link

Sweet Potato Dessert Recipes

If you love this sweet potato frosting, then you'll love these other dessert recipes using sweet potato. 

Coconut Oil Brownies with Maple Roasted Sweet Potato

Sweet Potato and Ginger Cookies

Sweet Potato and Fresh Ginger Protein Balls

Chocolate-Covered Beets and Sweet Potatoes with Lavender Beet Salt

Sweet Potato Latte

Get the Parsnip Cake Recipe

📖 Recipe

A piece of cake sitting on a cake stand.

Parsnip Cake with Sweet Potato and Ginger Frosting

Kate Hackworthy | Veggie Desserts
This parsnip cake is a delicious alternative to carrot cake. It has a rich, nutty flavour that's perfectly complimented by the maple and nutmeg. The cake is refined sugar free. To add even more vegetables to the cake, I've added a tasty ginger and sweet potato frosting!
5 from 15 votes
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Prep Time 15 minutes mins
Cook Time 35 minutes mins
Total Time 50 minutes mins
Course Dessert
Cuisine American, International
Servings 12
Calories 257 kcal

Ingredients
 

  • 300 g raw parsnip (4 cups, grated) approx 2
  • 200 g (1 ½ cups) plain (all purpose) flour
  • 1 teaspoon bicarb of soda (baking soda)
  • 1 teaspoon baking powder
  • 1 teaspoon ground nutmeg
  • ½ teaspoon ground cinnamon
  • ½ teaspoon salt
  • 3 eggs
  • 180 ml (¾ cup) maple syrup
  • 120 ml (½ cup) vegetable oil
  • 120 g (1 cup) plain Greek yogurt
  • 1 teaspoon vanilla extract

For the Sweet Potato and Ginger Icing

  • 2 sweet potatoes - cooked and peeled (boiled, steamed or baked)
  • 3 tablespoons powdered icing sugar (confectioner's sugar)
  • ¼ tablespoon grated fresh ginger (or more to taste)
  • 1 teaspoon vanilla extract
  • pinch of salt

Instructions
 

  • Preheat oven to 180C/350F. Grease a tall 9” cake tin and line the bottom with baking parchment.
  • Wash well and grate the parsnip. (You should have about 4 cups, grated). Set aside.
  • Sift the flour, bicarb of soda, baking powder, nutmeg, cinnamon and salt into a large bowl. Stir in the parsnip.
  • In a separate bowl, beat the eggs, maple syrup, oil, yogurt and vanilla together with an electric mixer.
  • Fold the wet ingredients into the dry gently.
  • Pour into the prepared pan and bake for 35-40 minutes or until an inserted skewer comes out clean.
  • Leave to cool in the tin and then remove and spread with the sweet potato frosting when completely cool.

For the Sweet Potato and Ginger Frosting

  • Ensure the sweet potato flesh is cooled and pat dry in a clean tea towel. Place into a food processor or blender with all of the other ingredients (ginger to taste) and blitz until smooth. Store in the fridge until ready to use.

Nutrition

Calories: 257kcalCarbohydrates: 34gProtein: 4gFat: 11gSaturated Fat: 8gCholesterol: 41mgSodium: 132mgPotassium: 281mgFiber: 2gSugar: 13gVitamin A: 3135IUVitamin C: 4.8mgCalcium: 66mgIron: 1.3mg

The nutritional information provided is approximate and can vary depending on several factors, so is not guaranteed to be accurate. Please see a registered dietician for special diet advice.

Tried this recipe?Mention @kateveggiedesserts or tag #veggiedesserts! I love seeing your recreations.

Thanks for checking out my recipe! I love hearing from my readers. You all allow me to do what I love and write this UK food blog, sharing vegetarian and vegan recipes, vegetable cake recipes and also easy vegan desserts.
Kate x

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Reader Interactions

Comments

    5 from 15 votes (1 rating without comment)

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    Recipe Rating




  1. skye

    August 13, 2020 at 10:41 pm

    what substitute would you use for the eggs to make it vegan please

    Reply
    • Kate Hackworthy

      August 14, 2020 at 4:25 pm

      Hi Skye, you could try it with 'flax eggs' or 'chia eggs'. Let me know how it goes!

      Reply
  2. Lydia

    March 17, 2019 at 9:16 pm

    5 stars
    Really nice cake. I didn't have quite enough parsnip so added a carrot, and I substituted full fat natural yoghurt for Greek yoghurt. Delicious cake! I didn't make the frosting as it was nice enough on its own, but next time I will try adding it, it sounds lovely. Thank you.

    Reply
  3. Jennifer Gladwin

    October 22, 2018 at 9:20 pm

    I would never have thought to put all those ingredients in a case but it sounds delicious!

    Reply
  4. Rachael

    October 22, 2018 at 8:29 pm

    5 stars
    Sounds great. I love that there’s very little sugar in it. I had some carrot cake when at a day out today and that was too sweet for me and I am a seasoned cake lover! So I’d love to give this a go and see if I can cut the sugar a bit.

    Reply
  5. Kaz | Ickle Pickles Life and Travels

    October 22, 2018 at 7:11 pm

    5 stars
    Oh goodness this looks so delicious. I have never ever tried a cake with parsnip in it! Kaz

    Reply
  6. Anosa

    October 22, 2018 at 6:00 pm

    5 stars
    Wait, just wait! You can make parsnip cake? Is that a thing for real? I am super curious and want to give this a try. I am in awe right now.

    Reply
  7. Dani

    October 22, 2018 at 9:27 am

    Such unusual ingredients but they sound delicious!
    I will definitely be having a go baking this cake at some point 🙂

    Dani x

    Reply
  8. Kelly

    October 21, 2018 at 12:02 pm

    5 stars
    Great idea. I wonder what the GL of this cake comes out to? Probably quite decent

    Reply
  9. Sarah

    October 20, 2018 at 10:28 pm

    Oh this looks like a beautiful recipe! Such delicious autumnal flavours! Plus anything with hidden veggies is a winner in my book!

    Reply
  10. Victoria

    October 20, 2018 at 8:09 am

    5 stars
    This cake looks and sounds delicious, never thought about using parsnips instead of carrots. Thanks for the recipe.

    Reply
  11. Jacqueline Debono

    October 19, 2018 at 10:01 pm

    5 stars
    I'm not a great cake maker but I love the idea of this vegetable cake. I also love parsnips! Unfortunately I don't find them so often here in Italy but next time I do, def want to try this recipe! Going to pin for later!

    Reply
  12. Jaclyn Anne

    October 19, 2018 at 9:42 pm

    5 stars
    This cake looks incredible! Such unique flavors - I can't wait to try it!

    Reply
  13. Tisha

    October 19, 2018 at 9:27 pm

    5 stars
    That sweet potato frosting sounds intriguing!!!

    Reply
  14. Andrea @ Cooking with Mamma C

    October 19, 2018 at 9:08 pm

    5 stars
    This is such a creative recipe! I love that you made a frosting out of sweet potatoes. Congrats on your cookbook!

    Reply
  15. Elizabeth

    October 19, 2018 at 9:02 pm

    What a good idea! I love eating parsnips as a veggie, but somehow had never thought to use them like carrots in desserts. Genius!

    Reply
  16. Jennifer Banz

    October 18, 2018 at 2:19 pm

    5 stars
    Parsnips are not a common veg, this will be something nice to try!

    Reply
  17. Lisa

    October 18, 2018 at 2:07 pm

    5 stars
    Such an amazing cake with fall flavors that's perfect for sharing!

    Reply
  18. Ali

    October 01, 2018 at 2:43 pm

    5 stars
    I really liked the parsnip and maple syrup in the cake. It wasn't too sweet. I didn't try the sweet potato icing but the cake was delicious.

    Reply
  19. Melanie

    December 16, 2016 at 1:36 pm

    Have you tried making this in a vegan format by replacing the eggs? If so, I'd be interested to know what you used and if it worked

    Reply
  20. Angelina

    February 21, 2015 at 6:28 am

    5 stars
    This was perfect! I found a box of parsnips in the produce dumpster behind the grocery store the other day, with NO idea what to do with all of them...came across your recipe, and my parsnip cake is currently cooling on the stove. I added lots of walnuts and dried cranberries...sooo yummy. Not sure about the sweet potato frosting though...haven't made up my mind yet on that. Thanks so much for your creativity. 🙂
    xo

    Reply
  21. Elizabeth

    December 03, 2014 at 9:32 am

    Beautiful, gorgeous, mouthwatering! You never fail to impress me with each and every one of your recipes! Thanks for linking up with Shop Local 🙂

    Reply
    • Kate Hackworthy

      December 07, 2014 at 8:58 am

      Aw, thanks so much, Elizabeth! Very kind words. 🙂

      Reply
  22. Steph @MisplacedBrit

    December 01, 2014 at 11:20 am

    wow wow wow! This sounds delicious ...& I couldn't be more curious 🙂
    Love it!

    Reply
  23. Fiver Feeds

    November 17, 2014 at 6:22 pm

    Sweet potato & ginger frosting? Nice!

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:03 pm

      I know it sounds crazy, but it replaces the butter just fine in frosting!

      Reply
  24. Cooksister

    November 17, 2014 at 12:54 pm

    I had parsnip and maple syrup cake for the first time earlier this year and it was surprisingly delicious! The frosting sounds just superb as I am a huge fan of ginger...

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:02 pm

      Parsnip and maple syrup are sooo lovely together, aren't they?

      Reply
  25. Kavey

    November 17, 2014 at 11:44 am

    This would have been perfect a few years ago when we grew a huge harvest of parsnips! Am bookmarking!!!

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:02 pm

      Ooh, lucky! I wish I could grow veg - I really must try it.

      Reply
  26. Jac -Tinned Tomatoes (@tinnedtoms)

    November 17, 2014 at 11:29 am

    Just the right kind of cake for this time of year. Lovely!

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:01 pm

      I love a nice, spiced cake. Perfect for cold evenings. 🙂

      Reply
  27. Angie@Angie's Recipes

    November 17, 2014 at 4:19 am

    I love baking with veggies too. This looks absolutely stunning!

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:01 pm

      Veggies are so great in baking, aren't they?

      Reply
  28. Janine

    November 16, 2014 at 10:39 pm

    Sounds good! Happy birthday 🙂

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:01 pm

      Aw, thanks Janine!

      Reply
  29. mumjd

    November 16, 2014 at 7:48 pm

    Gosh would never have thought of using those in a cake but it sounds and looks lovely #recipeoftheweek

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:00 pm

      I love putting unusual combinations into dessert!

      Reply
  30. Hayley @ Snap Happy Bakes

    November 16, 2014 at 7:19 pm

    This sounds so unusual but so tasty! I would never think to put these ingredients in a cake, but I'm drawn to this cake now! I want to taste it! #recipeoftheweek

    Reply
    • Kate Hackworthy

      November 20, 2014 at 8:00 pm

      Thanks, Hayley! 🙂 I hope you get a chance to try it - if you do please let me know how you get on!

      Reply
  31. Mummy Tries

    November 16, 2014 at 6:27 pm

    This sounds lovely!#recipeoftheweek

    Reply
    • Kate Hackworthy

      November 20, 2014 at 7:59 pm

      Thanks for commenting!

      Reply
  32. Camilla @FabFood4All

    November 16, 2014 at 5:34 pm

    What a gorgeous autumnal looking cake and so clever to use cooked sweet potato in the frosting:-) Thanks for linking to my soup:-)

    Reply
    • Kate Hackworthy

      November 20, 2014 at 7:59 pm

      Thanks so much Camilla. Your soup looked great!

      Reply

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Kate Hackworthy in the kitchen

Hi, I'm Kate, a journalist, author and multi-award-winning food blogger. Here you'll find vegetarian recipes and vegan recipes celebrating vegetables, from dinner to dessert! If you love vegetables, you've come to the right place. About Me

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