Irish Colcannon Mashed Potatoes

The first time I encountered colcannon was during a damp November evening at a tiny pub in Kinsale. The barkeeper slid a bowl toward me, steam rising in lazy ribbons, and simply said 'this'll warm your bones.' He wasn't wrong—something about that combination of creamy potatoes and tender cabbage felt like being wrapped in a wool blanket by a fireplace.

Last winter, I made a massive batch for my roommate's birthday dinner when her family couldn't fly in due to weather. We sat around the tiny kitchen table, spooning up seconds while rain lashed against the windows, and she said it tasted exactly like what her grandmother used to make back in Cork.

Ingredients

• Potatoes: Russets give you that fluffy cloud-like texture while Yukon Golds bring natural butteriness—either works beautifully but avoid waxy varieties
• Green cabbage: The sweetness of cabbage becomes absolutely magical when sautéed in butter, trust me on this
• Scallions: These add a gentle onion bite that freshens the whole dish without overwhelming
• Butter: Don't skimp here—unsalted lets you control the seasoning, and that final melting knob on top is non-negotiable
• Whole milk: Warmed gently, it transforms stiff mash into something silky and luxurious

Instructions

Get your potatoes going:

Drop those quartered potatoes into cold salted water and bring them to a gentle bubble—they need about 15 to 20 minutes until they surrender completely to a fork poke

Work on the cabbage:

While potatoes bubble away, melt half your butter in a skillet and let the cabbage soften until it's tender but still has some life left, then toss in those scallions for just a minute

Drain and dry:

Pour off every drop of water and let the potatoes sit in the hot pot for a full minute—this steam-drying trick is what keeps them from becoming gluey

Mash it up:

Go at those potatoes with your masher or ricer until no lumps remain, then warm the remaining butter and milk until steaming

Bring it together:

Pour that warm dairy into your potatoes and mash until impossibly smooth, then fold in the cabbage mixture gently so you can still see little flecks of green

Finish with flourish:

Transfer to your serving bowl and press a few extra butter knobs into the top, watching them melt into little golden pools

Save to Pinterest

My dad, who's usually suspicious of anything 'fancy' with his potatoes, took one bite and went completely silent. He asked for the recipe before he'd even finished his first serving, and now it's the only mashed potato variation allowed at Sunday family dinners.

Make It Your Own

Leeks work beautifully in place of scallions, especially in late winter when they're at their sweetest. A handful of chopped parsley stirred in at the end adds brightness that cuts through all that lovely richness.

Serving Suggestions

This pairs incredibly with roasted lamb, grilled sausages, or even as a base for poached eggs at brunch. It's substantial enough to stand alone as a vegetarian main with a simple green salad on the side.

Storage and Reheating

Leftovers keep remarkably well in the refrigerator for up to three days. When reheating, add a splash of milk and warm gently over low heat, stirring occasionally to bring back that creamy consistency.

• Reheat slowly to prevent the potatoes from becoming gummy
• Extra butter helps refresh the texture if it seems stiff
• Freezing isn't recommended—the texture suffers unfortunately

Save to Pinterest

There's something deeply satisfying about a dish that takes such simple ingredients and turns them into pure comfort on a plate.

Recipe Questions & Answers

→ What type of potatoes work best for this dish?

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

→ Can I substitute the cabbage with other greens?

Yes, leeks or kale can be used as alternatives for a different flavor profile.

→ How do I prevent the mashed potatoes from being watery?

Drain well and let the potatoes steam dry briefly before mashing to avoid excess moisture.

→ What is the best way to sauté the cabbage and scallions?

Sauté over medium heat with butter until softened but not browned, preserving freshness and moisture.

→ Is this dish suitable for a vegetarian or gluten-free diet?

Yes, it contains no meat or gluten, making it suitable for both vegetarian and gluten-free diets.

→ How can I make a vegan version?

Replace butter and milk with plant-based alternatives such as vegan margarine and almond or oat milk.