Best Colcannon Recipe for Saint Patrick’s Day (With Vegan Option!)

If you’ve never tried making a traditional colcannon recipe, you’re in for a treat. This classic Irish side dish blends creamy mashed potatoes with tender green cabbage and fresh green onions for a comforting, hearty bite that feels like it came straight from an Irish estate kitchen.

Irish colcannon is simple food at its best. It’s commonly served on Saint Patrick’s Day, alongside dishes like Shepherd’s Pie. And the good news? You don’t need anything complicated to make it at home.

Vegetarian Zen is reader-supported. When you buy through links on our site, we may earn a monetary commission. Additionally, the information presented is for educational purposes only. Always consult with your doctor. Learn More.

irish colcannon made from our irish colcannon recipe

What Makes This Colcannon Recipe Special

What sets this colcannon recipe apart is the balance between fluffy mashed Russet potatoes or buttery Yukon Gold potatoes combined with sautéed cabbage that’s tender but still has a little texture. The green onions add freshness, and a touch of heavy cream makes everything silky.

Traditional Irish colcannon has roots going back centuries. The name comes from the Gaelic phrase “cal caenan,” and over time it became a staple of Irish traditional cooking. Some versions use Lacinato kale instead of green cabbage. Others stir in cooked bacon or even a spoonful of cream cheese for extra richness.

This version keeps things vegetarian while honoring Irish heritage and the familiar farmhouse style cooking process.

Shopping List

Russet or Yukon Gold potatoes
green cabbage
unsalted butter (or vegan butter)
heavy cream (or vegan cream substitute such as this one from Nora Cooks)
green onions
salt
black pepper
bay leaf
milk (optional for extra creaminess. Use plant-based milk for vegan option)

ingredients for colcannon recipe

Instructions

Boil the Potatoes

Place the peeled and chopped potatoes in a large pot or Dutch oven. Cover with cold water, add the bay leaf and a generous pinch of salt, and bring to a boil. Cook for about 15 to 20 minutes, or until fork tender.

saute the cabbage

While the potatoes cook, melt 2 tablespoons of butter in a large skillet. Add the shredded green cabbage and sauté over medium heat until soft and slightly sweet, about 8 to 10 minutes. This step is key. Properly sautéed cabbage gives Irish colcannon its signature texture.

Warm the Cream

In a small saucepan, gently heat the heavy cream until warm but not boiling. This keeps the mashed potatoes smooth and prevents them from cooling too quickly.

Mash the Potatoes

Drain the potatoes and remove the bay leaf. For extra smooth Irish mashed potatoes, pass them through a food mill into a large serving bowl. If you prefer a rustic texture, return the drained potatoes to the pot and use a potato masher.

Combine Everything

Stir the remaining butter into the hot potatoes. Slowly add the warmed cream and optional milk, stirring until creamy. Fold in the sautéed cabbage and sliced spring onions. Season with salt and black pepper to taste.

Serve hot in a casserole dish or large serving bowl with a small pat of butter melting in the center.

cooking the colcannon recipe

Why This Colcannon Recipe Works

Using Russet potatoes creates a light and fluffy mash, while Yukon Gold potatoes give a slightly richer texture. The combination of warm cream and butter keeps everything smooth without becoming heavy Sautéing the cabbage instead of boiling it prevents sogginess and preserves flavor. That simple cooking process keeps the cabbage tender but still bright. The result is a balanced Irish side dish that pairs beautifully with vegetarian Shepherd’s Pie, or Pot Pie.

Variations to Try

Go dairy-free Swap the heavy cream for unsweetened plant-based milk and use vegan butter for a fully plant-based version that still feels traditional.

Add kale Substitute half of the green cabbage with finely chopped Lacinato Kale for a deeper green color and slightly earthier flavor.

Make it rustic Leave some potato chunks for texture instead of using a food mill.

Stir in cream cheese A few tablespoons make the mash extra rich and creamy. Use vegan cream cheese for a non-dairy option.

Try blue potatoes Mixing in blue potatoes gives the dish a fun color twist while keeping that classic Irish flavor.

image of colcannon in a bowl with butter

Tips to Keep It Fresh

Colcannon tastes best freshly made, but leftovers store well in an airtight container in the refrigerator for up to three days. Reheat gently on the stovetop with a little milk to bring back the creamy texture.

If you’re making this for Saint Patrick’s Day or a holiday gathering, you can prep and cook the potatoes and cabbage ahead of time. Store them separately in the refrigerator, then combine and reheat just before serving.

For an extra nod to Irish heritage, serve your colcannon recipe in a large serving bowl with a small well in the center filled with melted butter. It’s simple and traditional.

Traditional Irish Colcannon

A creamy and comforting colcannon recipe made with mashed potatoes, sautéed green cabbage, butter, and spring onions. A classic Irish side dish perfect for Saint Patrick’s Day or cozy dinners.
Prep Time15 minutes
Active Time25 minutes
Total Time40 minutes
Course: Side Dishes
Cuisine: Irish, Vegan, Vegetarian
Yield: 6 people
Author: Larissa Galenes

Ingredients

  • 4 pounds Russet potatoes or Yukon Gold potatoes peeled and cut into chunks
  • 1 small head green cabbage finely shredded
  • 4 tablespoons unsalted butter
  • 1 cup heavy cream
  • 4 spring onions thinly sliced
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 bay leaf
  • 1/2 cup milk optional

Instructions

  • Place the potatoes in a Dutch Oven, cover with cold water, add the bay leaf and salt, and bring to a boil. Cook until fork tender, about 15 to 20 minutes.
  • While the potatoes cook, melt 2 tablespoons of butter in a skillet over medium heat. Add the shredded cabbage and sauté until soft, about 8 to 10 minutes.
  • Warm the heavy cream gently in a small saucepan without boiling.
  • Drain the potatoes and remove the bay leaf. Mash with a potato masher or pass through a food mill until smooth.
  • Stir in the remaining butter, then slowly add the warm cream and optional milk until creamy.
  • Fold in the sautéed cabbage and spring onions. Season with black pepper and additional salt if needed.
  • Transfer to a serving bowl and serve hot.

This colcannon recipe is proof that humble ingredients like potatoes and cabbage can create something deeply satisfying. It’s an easy Irish side dish that works for holidays or simple weeknight dinners and brings a little Irish flavor to your table any time of year.

Love this recipe? Check out our full collection of vegetarian and vegan recipes for more delicious ideas! And if you’re looking to share your creations (or get inspired by someone else’s), join our closed Facebook Group, The Peas and Carrots Society, a group of non-judgy folks who welcome all! Nothing but good food, good friends, and good fun!

FAQ

What is traditional colcannon made of?

Traditional Irish colcannon is made from mashed potatoes mixed with cabbage or kale, butter, cream, and spring onions. Some older recipes include cooked bacon, but vegetarian versions are very common today.

What type of potatoes are best for colcannon?

Russet potatoes create fluffy mashed potatoes, while Yukon Gold potatoes provide a creamier texture. Both work well in a classic colcannon recipe.

Can you make colcannon ahead of time?

Yes, you can prepare it a day in advance. Store it in the refrigerator and reheat gently with a splash of milk or cream to restore its smooth texture.

Is colcannon served only on Saint Patrick’s Day?

No, although it’s popular on Saint Patrick’s Day, colcannon is enjoyed year round in Ireland as a comforting side dish.

Can I freeze colcannon?

Colcannon can be frozen, but the texture may change slightly. Reheat slowly and stir well to help restore creaminess.

Scroll to Top