St Patricks Colcannon Mash

Creamy St. Patricks Day Colcannon Mashed Potatoes topped with a melting butter pat, served hot in a rustic bowl. Save
Creamy St. Patricks Day Colcannon Mashed Potatoes topped with a melting butter pat, served hot in a rustic bowl. | cozycanteen.com

This classic Irish dish combines smooth mashed potatoes with tender sautéed cabbage and fresh scallions. Potatoes are boiled until tender, then mashed with butter and warm milk to create a creamy texture. Meanwhile, cabbage is gently sautéed until soft, then folded into the potatoes along with scallions for a flavorful, hearty side. Seasoned simply with salt and pepper, it’s ideal for celebrations or comforting everyday meals.

The first time I had colcannon was at a tiny pub in Dublin where the bartender's mother made it fresh every morning. I watched steam rise off the bowl as rain drummed against the windowpane, creating the cozy atmosphere that Irish food does so well. That simple combination of creamy potatoes and tender cabbage felt like home, even though I'd never tasted it before. Now it's become my go-to comfort food whenever the weather turns gray.

Last March, I made a massive batch for my apartment's St. Patrick's Day gathering. My neighbor Kevin, who's actually from County Cork, took one bite and got quiet. Turns out my version tasted almost exactly like his grandmother's, except she added more butter. We spent the rest of the evening swapping stories about family recipes and the secret ingredients no one ever writes down.

Ingredients

  • Potatoes: Russets give you that fluffy cloud like texture while Yukon Golds hold their shape better and taste naturally buttery, so choose based on your preference
  • Unsalted butter: Using unsalted lets you control the seasoning perfectly, though I always keep a little extra salted butter on hand for serving
  • Whole milk: Warm milk incorporates into the potatoes more easily and creates that silky restaurant style consistency we all want
  • Green cabbage: Look for heads that feel heavy and tight, and avoid any with wilted outer leaves or browning edges
  • Scallions: Both the white and green parts add flavor, with the whites contributing mild onion bite and greens bringing fresh brightness
  • Salt and pepper: Good sea salt makes a noticeable difference here, and freshly cracked black pepper adds those little bursts of spicy warmth

Instructions

Start the potatoes:
Place those potato chunks in a large pot and cover them with cold water by about an inch. Add that teaspoon of salt and bring everything to a rolling boil, then turn down the heat and let it simmer gently until a fork slides through the potatoes like they're soft butter, usually 15 to 20 minutes.
Sauté the vegetables:
While potatoes work, melt half your butter in a large skillet over medium heat and toss in the cabbage. Let it cook down until it's soft and sweet but still has some life in it, then stir in those sliced scallions for just two minutes more so they stay bright and fresh.
Mash it all together:
Drain the potatoes really well and return them to their warm pot. Add the remaining butter and mash until you've got something smooth and lump free, then slowly pour in the hot milk while stirring until everything becomes creamy and light.
Combine and season:
Fold in that gorgeous cabbage and scallion mixture gently so you don't lose all the air you just whipped into the potatoes. Taste carefully and add more salt or pepper until it hits that perfect balance where you can't stop eating it straight from the pot.
Serve it up:
Get this into bowls while it's piping hot, adding an extra pat of butter on top that should melt into little golden pools across the surface. Watch people's faces when they take that first bite of something so simple yet so incredibly satisfying.
Tender cabbage and scallions folded into fluffy St. Patricks Day Colcannon Mashed Potatoes, ready for a festive side dish. Save
Tender cabbage and scallions folded into fluffy St. Patricks Day Colcannon Mashed Potatoes, ready for a festive side dish. | cozycanteen.com

My daughter used to request this every single year before her school's St. Patrick's Day assembly. She'd sneak into the kitchen while I was cooking and steal pieces of sautéed cabbage, burning her fingers but never caring. Now she makes it for her own family and sends me photos of her little ones doing the exact same thing.

Getting the Texture Right

I learned through many slightly gluey batches that potatoes absorb liquid differently depending on the variety and even the time of year. Start with three quarters of the milk and add more only if needed, because you can always add liquid but you can't take it back. The perfect colcannon should be creamy enough to scoop but still hold its shape on a spoon.

Make It Your Own

Kale works beautifully instead of cabbage and adds a slightly earthier flavor that some people actually prefer. Sometimes I'll throw in a handful of chopped fresh chives or even some grated sharp cheddar if I'm feeling particularly indulgent. The classic version is hard to beat, but these little twists keep things interesting.

Serving Suggestions

This pairs perfectly with corned beef, but honestly it's substantial enough to stand alone as a light dinner with a simple green salad. I've also served it alongside roasted chicken, grilled sausages, and even as part of a vegetarian spread with roasted root vegetables.

  • Make a well in the center of each serving and fill it with melted butter for the traditional Irish presentation
  • Leftovers reheat surprisingly well in the microwave with a splash of added milk
  • The potato and cabbage mixture can be formed into patties and pan fried for amazing leftovers
A close-up of buttery St. Patricks Day Colcannon Mashed Potatoes with sautéed greens, ideal alongside corned beef for St. Patrick's Day. Save
A close-up of buttery St. Patricks Day Colcannon Mashed Potatoes with sautéed greens, ideal alongside corned beef for St. Patrick's Day. | cozycanteen.com

There's something deeply satisfying about a dish that's been loved for generations across kitchen tables just like yours. Maybe that's the real magic of colcannon, it's always been about bringing people together one simple, delicious bite at a time.

Recipe FAQs

Russet or Yukon Gold potatoes are ideal due to their creamy texture when mashed.

Kale is a traditional alternative that provides a slightly different flavor and texture.

Use warm whole milk and butter while mashing the potatoes to achieve a smooth, creamy consistency.

Yes, substitute butter and milk with plant-based alternatives to maintain creaminess without dairy.

It pairs wonderfully with corned beef or roasted meats for a festive and hearty meal.

St Patricks Colcannon Mash

Creamy mashed potatoes with sautéed cabbage and scallions, perfect for festive Irish meals.

Prep 15m
Cook 25m
Total 40m
Servings 6
Difficulty Easy

Ingredients

Potatoes

  • 2 lbs russet or Yukon Gold potatoes, peeled and cut into chunks

Dairy

  • 4 tbsp unsalted butter, plus extra for serving
  • 1 cup whole milk

Vegetables

  • 3 cups green cabbage, finely shredded
  • 4 scallions, thinly sliced

Seasonings

  • 1 tsp salt, plus more to taste
  • ½ tsp freshly ground black pepper

Instructions

1
Boil the Potatoes: Place the potatoes in a large pot and cover with cold water. Add 1 teaspoon of salt. Bring to a boil, then reduce heat and simmer for 15-20 minutes, or until potatoes are fork-tender.
2
Sauté the Cabbage: Melt 2 tablespoons of butter in a large skillet over medium heat. Add the cabbage and sauté for 5-7 minutes until soft but not browned. Stir in the scallions and cook for 2 minutes more, then remove from heat.
3
Mash the Potatoes: Drain the potatoes well and return them to the pot. Add the remaining 2 tablespoons butter and mash until smooth.
4
Add the Milk: Gradually stir in the hot milk until the potatoes are creamy and fluffy.
5
Combine and Season: Fold in the sautéed cabbage and scallions. Season with salt and pepper to taste.
6
Serve: Serve hot, with a generous pat of butter melting on top.
Additional Information

Equipment Needed

  • Large pot
  • Skillet
  • Potato masher
  • Knife and cutting board

Nutrition (Per Serving)

Calories 210
Protein 4g
Carbs 33g
Fat 7g

Allergy Information

  • Contains dairy (butter, milk)
  • For dairy-free version, substitute with plant-based butter and milk alternatives
  • Gluten-free, but check all labels to ensure no cross-contamination
Holly Dalton

Sharing easy, wholesome recipes and kitchen tips for home cooks who love comfort food.