Sweet Potato Mash With Garlic, Cabbage & Kale (Paleo, Whole30)

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This Irish colcannon inspired sweet potato mash comes with sauteed kale, cabbage and garlic, which give it plenty of flavour and lovely crunchy textures. This is a healthy and nutritious sweet potato dish that can be served as a side with pretty much anything. It’s paleo, gluten-free and Whole30-friendly.

Sweet Potato Mash Paleo Recipe

This Irish sweet potato mash recipe came about when I was trying to cook up something fun for St.Patrick’s Day celebrations. We were making my hearty beef stew and I needed a side dish. This seemed kind of appropriate.


One of the most famous Irish dishes served on this day is colcannon – Irish mash potatoes with cabbage and/or kale and butter. Colcannon means ‘white-headed cabbage’ and there are many variations of this dish that have additions of leek, bacon, shallots and other flavourings.


My healthy mash is made with sweet potatoes cooked and mashed, then blended with sauteed onions, savoy cabbage, kale and a little twist of garlic and lemon zest. It’s well seasoned and moistened with ghee and butter. For another kale and sweet potato dish, check out this recipe.

It can be made ahead of time as it keeps well in the fridge (3-4 days). 

How to make sweet potato mash paleo recipe


Mashed sweet potatoes are such good comfort food and this colcannon version goes superbly well with any type of sausages, meatballs, steaks, burgers, pot roast or a stew. 

It’s a great vegetarian dish, too. You can serve it as a main with a big side of veggies and some plant-based protein. Check out more of my vegetarian recipes here.

You can enjoy it on St.Patrick’s Day or any other day you feel like something different to your regular mashed potatoes.

I’ll leave you with this Irish quote ‘May you live all the days of your life’ – Jonathan Swift.


Healthy Sweet Potato Mash With Kale & Garlic

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Sweet Potato Mash Paleo Recipe

Sweet Potato Mash & Kale Colcannon

  • Author: Irena Macri
  • Prep Time: 10 mins
  • Cook Time: 20 mins
  • Total Time: 30 mins
  • Yield: 4 1x
  • Category: Side
  • Method: Boiled & Sauteed
  • Cuisine: Irish
  • Diet: Gluten Free


This Irish  sweet potato mash colcannon with kale, cabbage and garlic, is a healthy and nutritious side dish that can be served with pretty much anything. It’s paleo, gluten-free and Whole30-friendly.


  • 2 large sweet potatoes, peeled and diced into cubes (about 45 cups of diced sweet potatoes, 600 g)
  • 1 teaspoon good quality vegetable stock powder or 1 litre of liquid stock
  • 1 large  onion, thinly sliced
  • 1 tablespoon ghee (or butter, if tolerated)
  • 2 cups roughly chopped kale
  • 2 cups finely shredded savoy or white cabbage
  • 1/2 teaspoon sea salt
  • 2 garlic cloves, diced
  • 1 teaspoon lemon zest
  • A pinch of nutmeg
  • 1/2 teaspoon black pepper
  • 25 grams ghee (about 2 tbsp) or butter, if tolerated


  1. Place sweet potato in a medium saucepan with enough water to cover them. Add the stock powder or use liquid stock instead of water. Bring to boil and cook for 10-15 minutes until soft when poked with a fork.
  2. Heat a large frying pan with a dollop of ghee and sauté the onions for 3-4 minutes. Add kale and cabbage and another dollop of ghee. Season with a 1/2 teaspoon of sea salt and cook over medium heat for about 5 minutes, stirring occasionally. The cabbage and kale will start to wilt and decrease in size. Add garlic, lemon zest and a few tablespoons of water and cook for a further 4-5 minutes. Set aside.
  3. Finally, strain the potatoes and place them in a food processor or use a potato masher to mash them into a smooth puree. Season with a good pinch of nutmeg, black pepper and add the butter. Process until well incorporated and smooth and transfer to the frying pan with the the cabbage. Stir together and taste for salt. Serve with a little extra lemon zest and back pepper on top. Enjoy!


This variation on a potato mash can be made with any starchy tuber such as pumpkin, white potato, parsnip and celeriac. Kale can be replaced with spinach or other leafy greens.



  • Serving Size: 1 cup
  • Calories: 221
  • Sugar: 9.5 g
  • Sodium: 648.5 mg
  • Fat: 8.5 g
  • Saturated Fat: 5.3 g
  • Carbohydrates: 34.5 g
  • Fiber: 6.1 g
  • Protein: 3.5 g
  • Cholesterol: 21.5 mg


Check out this Spiced Sweet Potato Cauliflower Mash

Cauliflower Sweet Potato Mash

Or, my Parsnip Cauliflower Mash With Garlic Buttercauliflower parsnip mash



Paleo Sweet Potato Mash With Cabbage, Kale & Garlic

Irena Macri
By Irena Macri

About the author: Hi, I’m Irena Macri. I share easy, delicious recipes with a healthy twist. I’ve been food blogging for over 10 years and have a Diploma in Nutrition & Weight Management. I believe in a balanced diet with an occasional cookie and cheesy pasta. More about me here. Sign-up for my newsletter and subscriber freebies.

PS. Some posts contain affiliate links, which means I receive a small commission for purchases made through these links.

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  1. made this with kale and white cabbage, added a preserved lemon and it was fabulous, thanks for the recipe

  2. I loved this, but my husband thought it was a bit too sweet. I made it with ½ yams, and ½ sweet potato. Next time…yes, there will definitely be a next time, I will increase the garlic and maybe add one russet potato to it. Regardless, he had two big helpings. Thank you for the great recipe.

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