Serves 6 Prep Time 20 minutes   Cook Time 20 minutes   Rated:

Colcannon is an Irish dish that originated in the 17th century. It consists of mashed potatoes mixed with kale or cabbage and sometimes includes additional ingredients like leeks, onions, spring onions, or bacon.

It probably originated as a peasant dish, using readily available ingredients such as potatoes and cabbage or the very untrendy back then, kale. Over time, it became a staple in Irish cuisine and is now enjoyed both in Ireland and around the world. Funnily enough, when we were making this, one of my sons happened to be in the kitchen and asked what was in the potato mash? I answered kale and commented that it was a mash his dad would enjoy. Without skipping a beat he suggested it would need leeks to be 'dad mash'.

I was happy to tell him there were leeks involved, raw leeks at that! So from now on, this will be called dad mash in our household at least!

We have loads of other mash recipes on here and not all of them potato based...did you try any of these yet?

Mexican Mash

Bechamel Mash

Parsley & Pea Mash

Garlicky Chickpea Mash

Baked Pepe Saya Mash

Quick and Easy Cauliflower Mash

Sweet Potato Mash with Brussels Sprouts and Peas

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  • 1 leek roughly chopped
  • 2 spring onions, roughly chopped
  • 1 Kilo potatoes. Peeled and cubed
  • 250 Grams milk
  • salt and pepper
  • 1/2 Bunch kale washed, stems removed and sliced
  • 50 Grams butter BUY



Place leek and spring onions into the Thermomix bowl. Chop 3 sec/speed 5. Tip out into Thermoserver.


Place potatoes, milk, salt and pepper into the Thermomix bowl. Cook 20 min/100°C/speed 1.


Add butter and combine 10 sec/speed 4. Tip mashed potato into a large bowl with leek and onion. Add the kale and stir to combine.


Add seasoning to taste and serve with what else? Irish Stew!

Served with

More Side Dishes

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