There’s comfort food, and then there’s Irish Colcannon. This traditional Irish dish is the epitome of heartwarming, simple, and utterly delicious. Forget your standard mashed potatoes; our authentic Irish Colcannon recipe elevates the humble spud with the addition of tender cabbage, vibrant green onions, and a generous amount of rich butter and cream. It’s a side dish that’s so good, it often steals the show! Perfect for a St. Patrick’s Day feast or a cozy weeknight dinner, this recipe is your ticket to the creamiest, most flavorful mashed potatoes you’ve ever had.
We’ve tested and perfected this recipe to ensure it’s foolproof for home cooks. We’ll guide you through every step, from choosing the right potatoes to achieving that signature creamy texture. Get ready to fall in love with your new favorite side dish.

What is Irish Colcannon?
At its heart, Irish Colcannon is a beloved traditional dish from Ireland that combines mashed potatoes with either kale or cabbage. The name “colcannon” is believed to come from the Gaelic term “cál ceannann,” which means “white-headed cabbage.” It’s a classic peasant dish, born from simple, readily available ingredients, yet it delivers a richness that feels luxurious. Typically served warm, a well is often made in the center of the mound of potatoes and filled with melted butter, creating a delicious pool for dipping each spoonful.
Why You’ll Love This Recipe
- Incredibly Flavorful: The combination of earthy cabbage, sharp green onions, and creamy, buttery potatoes is a match made in heaven.
- Simple Ingredients: You only need a handful of common, budget-friendly ingredients to create this show-stopping side.
- Perfectly Creamy Texture: We use a specific technique to ensure your potatoes are fluffy and smooth, never gummy or watery.
- Versatile Side Dish: It’s the perfect accompaniment to hearty mains like Crockpot Beef Stew or Cowboy Butter Steak.
The Key Ingredients for Perfect Colcannon
The magic of this dish lies in its simplicity. Here’s what you’ll need:

For the Potatoes:
- Potatoes: Russet or Yukon Gold potatoes are best. They have a high starch content which leads to a fluffier, creamier mash.
- Unsalted Butter: Using unsalted butter allows you to control the final seasoning of the dish.
- Heavy Cream: For that luxurious, ultra-creamy texture. Whole milk can be substituted in a pinch, but the result won’t be quite as rich.
- Salt and Black Pepper: To enhance all the flavors.
For the Greens:
- Green Cabbage: Finely shredded green cabbage wilts down beautifully and adds a subtle sweetness. You can also use kale.
- Green Onions: Also known as scallions, they provide a fresh, mild oniony bite that cuts through the richness.
How to Make Irish Colcannon (Step-by-Step)
Making traditional Irish Colcannon is easier than you think. Follow these simple steps for perfect results every time.
Step 1: Prepare the Potatoes
Start by peeling your potatoes and cutting them into uniform 1-inch chunks. This ensures they cook evenly. Place them in a large pot and cover with cold, salted water. Bring the water to a boil and cook for about 15-20 minutes, or until the potatoes are fork-tender. Drain them well and return them to the hot pot for a minute to steam dry. This step is crucial for preventing watery colcannon.
Step 2: Cook the Cabbage
While the potatoes are boiling, melt a tablespoon of butter in a large skillet over medium heat. Add the finely shredded cabbage and cook, stirring occasionally, for about 5-7 minutes until it’s wilted and tender. You don’t want it to brown, just to soften up.
Step 3: Mash and Combine
Mash the dry, cooked potatoes using a potato masher or a ricer until smooth. Avoid using a food processor or blender, as this can make the potatoes gummy. Gently warm the heavy cream and the remaining butter in a small saucepan. Pour the warm cream mixture into the mashed potatoes and stir until fully combined. Finally, fold in the cooked cabbage and sliced green onions. Season generously with salt and pepper to taste.
Tips for the Best Colcannon
To ensure your Irish Colcannon is the best it can be, keep these pro tips in mind:
- Don’t Overcook the Potatoes: Boil them just until they are tender. Overcooking can make them waterlogged.
- Use Room Temperature Ingredients: Bringing your butter and cream to room temperature (or warming them slightly) helps them incorporate more easily into the potatoes for a smoother finish.
- Mash While Hot: For the fluffiest texture, mash your potatoes as soon as they are cooked and drained.
- Don’t Overmix: Once you add the cream and butter, mix just until combined. Overmixing develops the starch and can lead to a gluey texture. If you’re looking for another potato classic, check out this homemade scalloped potatoes recipe.
Variations and Substitutions
While the traditional recipe is fantastic, you can easily customize it. Here are a few ideas:
- Kale Colcannon: Swap the cabbage for an equal amount of chopped kale (stems removed).
- Add Bacon: For a smoky, savory twist, fold in some crispy, crumbled bacon at the end.
- Cheesy Colcannon: Stir in a cup of sharp cheddar or Irish Dubliner cheese for an extra layer of flavor.
- Leeks instead of Onions: For a milder, sweeter onion flavor, use sautéed leeks instead of green onions.
What to Serve with Irish Colcannon
Irish Colcannon is a hearty side dish that pairs beautifully with a variety of main courses. It’s a natural fit for St. Patrick’s Day alongside corned beef, but its appeal goes far beyond the holiday. Try serving it with roasted chicken, bangers (sausages), or a beautiful pork tenderloin. It’s also fantastic with lamb chops or a simple pan-seared steak.
Yes, you can make colcannon a day or two in advance. Store it in an airtight container in the refrigerator. Reheat it in the microwave or on the stovetop over low heat with a splash of milk or cream to restore its creamy texture.
Absolutely! Kale is a traditional and delicious alternative to cabbage. Simply remove the tough stems, chop the leaves, and sauté it just as you would the cabbage.
The key is to dry the potatoes thoroughly after boiling. After draining, return the potatoes to the hot pot for a minute over low heat to steam off any excess moisture before you begin mashing.
Both are traditional Irish mashed potato dishes. The main difference is that Colcannon is made with cabbage or kale, while Champ is made with green onions (scallions). Our recipe combines elements of both for maximum flavor!
Starchy potatoes are the best choice for a fluffy, creamy mash. We highly recommend using Russet or Yukon Gold potatoes for this Irish Colcannon recipe.
Yes, you can make colcannon a day or two in advance. Store it in an airtight container in the refrigerator. Reheat it in the microwave or on the stovetop over low heat with a splash of milk or cream to restore its creamy texture.
Absolutely! Kale is a traditional and delicious alternative to cabbage. Simply remove the tough stems, chop the leaves, and sauté it just as you would the cabbage.
The key is to dry the potatoes thoroughly after boiling. After draining, return the potatoes to the hot pot for a minute over low heat to steam off any excess moisture before you begin mashing.
Both are traditional Irish mashed potato dishes. The main difference is that Colcannon is made with cabbage or kale, while Champ is made with green onions (scallions). Our recipe combines elements of both for maximum flavor!
Starchy potatoes are the best choice for a fluffy, creamy mash. We highly recommend using Russet or Yukon Gold potatoes for this Irish Colcannon recipe.
A Taste of Ireland in Your Kitchen
This Irish Colcannon recipe is more than just a side dish; it’s a bowl of comfort, tradition, and incredible flavor. It’s a testament to how simple, quality ingredients can create something truly special. We know you’ll love making and sharing this dish. If you try it, let us know how it turned out in the comments below, and don’t forget to share your creations with us on Pinterest!

Irish Colcannon: The Ultimate Creamy & Buttery Mashed Potato Recipe
Discover the most authentic Irish Colcannon recipe! This traditional dish combines creamy mashed potatoes with tender cabbage and green onions for the ultimate comfort food side, perfect for St. Patrick's Day or any cozy dinner.
Ingredients
Equipment
Instructions
- Place the peeled and chunked potatoes in a large pot and cover with cold, salted water by at least an inch. Bring to a boil over high heat, then reduce heat to medium and simmer for 15-20 minutes, or until the potatoes are easily pierced with a fork.
- While the potatoes are cooking, melt 2 tablespoons of the butter in a large skillet over medium heat. Add the shredded cabbage and cook, stirring frequently, for 5-7 minutes until it has wilted and become tender.
- Drain the cooked potatoes thoroughly in a colander. Return the empty pot to the stove over low heat for one minute to evaporate any remaining moisture. Return the potatoes to the dry pot and mash them until smooth with a potato masher or press them through a ricer.
- Gently warm the heavy cream and the remaining 6 tablespoons of butter in a small saucepan or in the microwave. Pour the warm cream mixture into the mashed potatoes and stir gently until just combined. Be careful not to overmix.
- Fold the sautéed cabbage and the sliced green onions into the potato mixture. Season generously with salt and pepper. Serve immediately, making a well in the center and adding an extra pat of butter if desired.
Notes
For the creamiest texture, make sure to mash the potatoes while they are still hot.
You can substitute kale for cabbage if you prefer. Just be sure to remove the tough stems before chopping.
Store leftovers in an airtight container in the refrigerator for up to 3 days.

Irish Colcannon: The Ultimate Creamy & Buttery Mashed Potato Recipe
Ingredients
Equipment
Instructions
- Place the peeled and chunked potatoes in a large pot and cover with cold, salted water by at least an inch. Bring to a boil over high heat, then reduce heat to medium and simmer for 15-20 minutes, or until the potatoes are easily pierced with a fork.
- While the potatoes are cooking, melt 2 tablespoons of the butter in a large skillet over medium heat. Add the shredded cabbage and cook, stirring frequently, for 5-7 minutes until it has wilted and become tender.
- Drain the cooked potatoes thoroughly in a colander. Return the empty pot to the stove over low heat for one minute to evaporate any remaining moisture. Return the potatoes to the dry pot and mash them until smooth with a potato masher or press them through a ricer.
- Gently warm the heavy cream and the remaining 6 tablespoons of butter in a small saucepan or in the microwave. Pour the warm cream mixture into the mashed potatoes and stir gently until just combined. Be careful not to overmix.
- Fold the sautéed cabbage and the sliced green onions into the potato mixture. Season generously with salt and pepper. Serve immediately, making a well in the center and adding an extra pat of butter if desired.
Notes
You can substitute kale for cabbage if you prefer. Just be sure to remove the tough stems before chopping.
Store leftovers in an airtight container in the refrigerator for up to 3 days.