Irish Colcannon Mashed Potatoes

Creamy Irish Colcannon Mashed Potatoes topped with a melting pat of butter and fresh green onions. Save to Pinterest
Creamy Irish Colcannon Mashed Potatoes topped with a melting pat of butter and fresh green onions. | homegrownfork.com

This comforting Irish dish combines creamy mashed potatoes with tender shredded cabbage and sliced green onions. Butter and milk create a smooth, rich texture and flavor, making it an ideal side for various meals. The cabbage is lightly cooked to retain softness without browning, then folded into the fluffy potatoes for a perfect balance of ingredients. Simple seasoning of salt and pepper enhances the natural flavors in this easy-to-prepare dish that brings warmth and tradition to the table.

The first time I encountered colcannon was during a gray November afternoon when my Irish neighbor invited me over for what she called real comfort food. I watched her transform humble ingredients into something magical, the way the butter pooled in the valleys of the potatoes and the cabbage added this unexpected freshness. Now whenever rain drums against my kitchen window, my hands automatically reach for potatoes and butter. This dish has saved more weeknight dinners than I care to admit.

Last winter I served this at a dinner party where everyone arrived shivering and slightly damp from an unexpected snowstorm. The colcannon disappeared faster than the main course, with people actually going back for seconds and thirds of just the side dish. My friend admitted she normally hates cabbage but kept asking what made it taste so good. Sometimes the simplest dishes are the ones that bring everyone to the table talking.

Ingredients

  • Floury potatoes (Russet or Yukon Gold): These starchier varieties break down beautifully for that light fluffy texture that absorbs butter like a dream
  • Green cabbage: Shredded finely so it practically melts into the potatoes, adding sweetness without overwhelming the creaminess
  • Spring onions (scallions): Their mild onion flavor bridges the gap between earthy potatoes and sweet cabbage
  • Whole milk: Room temperature milk incorporates more smoothly into the potatoes for that restaurant quality texture
  • Unsalted butter: Generous amounts are non negotiable here because this dish is essentially a love letter to dairy
  • Salt and black pepper: Season aggressively at every stage since each ingredient needs its own seasoning to shine

Instructions

Get your potatoes going:
Place peeled chunks in cold salted water, bring to a gentle boil, then simmer until they surrender completely to a fork test about 15 to 18 minutes
Butter braise the cabbage:
Melt half your butter in a separate pan, add shredded cabbage, and cook it slowly until soft but still vibrant about 5 to 7 minutes
Wake up the onions:
Toss sliced spring onions into the cabbage for just one minute so they keep their bright flavor and lovely green color
Make the base:
Drain potatoes thoroughly, return them to the hot pot to steam dry briefly, then mash until absolutely no lumps remain
Add the creamy element:
Gently warm your milk, pour it over the potatoes with the remaining butter, and mix until everything transforms into clouds
Bring it together:
Fold the cabbage mixture through the potatoes with a light hand, season generously, and serve immediately with extra butter melting on top
A rustic bowl of Irish Colcannon Mashed Potatoes mixed with tender cabbage and butter. Save to Pinterest
A rustic bowl of Irish Colcannon Mashed Potatoes mixed with tender cabbage and butter. | homegrownfork.com

My grandmother used to say you could tell a good cook by how they treated their vegetables, and colcannon was her test of choice. She would make this whenever someone needed cheering up, insisting that butter and cabbage could solve most of lifes smaller problems. After making it countless times myself, I am starting to think she was right about the healing power of simple food done well.

Getting The Texture Right

The difference between good colcannon and great colcannon comes down to how you handle your potatoes. I have learned that rushing the mashing step creates a gluey texture that no amount of butter can fix. Take your time, let the potatoes steam dry in the hot pan after draining, and use a proper masher rather than a mixer which can overwork the starches.

Butter Makes Everything Better

While it might seem excessive, the generous amount of butter is what separates this from ordinary mashed potatoes. I have tried reducing it and the dish simply loses its soul. The way it coats each strand of cabbage and creates little buttery pockets throughout the potatoes is exactly what makes colcannon special.

Serving Suggestions & Variations

This dish pairs beautifully with roast lamb, sausages, or even on its own with a fried egg on top for a simple supper. The traditional Irish way to serve it is with a well of butter in the center, melting down into the potatoes like a golden pool. I have also discovered it makes excellent leftover breakfast cakes, formed into patties and fried until crispy.

  • Try swapping cabbage for kale in autumn for a deeper earthier flavor
  • A splash of cream in addition to milk makes it extra decadent for special occasions
  • A pinch of nutmeg in the cabbage adds a subtle warmth that people can never quite identify
Comforting Irish Colcannon Mashed Potatoes served warm, perfect alongside roasted meats or sausages. Save to Pinterest
Comforting Irish Colcannon Mashed Potatoes served warm, perfect alongside roasted meats or sausages. | homegrownfork.com

There is something deeply satisfying about a dish that takes such humble ingredients and turns them into something this comforting. May your colcannon always be buttery and your kitchen always warm.

Recipe FAQs

Floury varieties like Russet or Yukon Gold create a fluffy and creamy texture ideal for mashing.

Kale can be substituted for a slightly different flavor and traditional variation.

Cook the shredded cabbage with butter over medium heat until soft but not browned for the best texture.

Replacing butter and milk with plant-based alternatives can work, though flavor and texture may vary.

This creamy mash complements roast meats, sausages, or can be served with a fried egg for a vegetarian option.

Irish Colcannon Mashed Potatoes

Creamy mashed potatoes with shredded cabbage and green onions, enriched with butter for comfort.

Prep 15m
Cook 25m
Total 40m
Servings 4
Difficulty Easy

Ingredients

Vegetables

  • 2 lbs floury potatoes (such as Russet or Yukon Gold), peeled and cut into chunks
  • 2 cups green cabbage, finely shredded
  • 4 spring onions (scallions), thinly sliced

Dairy

  • 1/2 cup whole milk, plus more as needed
  • 1/4 cup unsalted butter, plus extra for serving

Seasonings

  • 1 tsp salt, plus more to taste
  • Freshly ground black pepper, to taste

Instructions

1
Boil the Potatoes: Place the potatoes in a large pot, cover with cold salted water, and bring to a boil. Reduce heat and simmer for 15–18 minutes, or until fork-tender.
2
Cook the Cabbage: Meanwhile, in a separate pot, melt half the butter over medium heat. Add the cabbage and cook, stirring, for 5–7 minutes, until soft but not browned. Stir in the spring onions and cook for 1 minute more. Remove from heat.
3
Mash the Potatoes: Drain the potatoes well and return to the pot. Mash thoroughly until smooth.
4
Add Milk and Butter: Gently heat the milk, then add it to the potatoes along with the remaining butter. Mix until creamy.
5
Combine Ingredients: Fold in the cooked cabbage and spring onions. Season generously with salt and pepper.
6
Serve: Serve in a warm bowl with extra butter melting on top.
Additional Information

Equipment Needed

  • Large saucepan
  • Colander
  • Potato masher
  • Medium skillet or saucepan
  • Wooden spoon

Nutrition (Per Serving)

Calories 260
Protein 5g
Carbs 40g
Fat 9g

Allergy Information

  • Contains dairy (milk, butter).
  • Gluten-free.
  • Always check product labels for hidden allergens if unsure.
Amy Callahan

Down-to-earth cook sharing simple recipes and cooking tips for every home kitchen.