St Patricks Day Colcannon

Creamy St. Patrick's Day Colcannon Mashed Potatoes topped with melting butter, served alongside festive corned beef and hearty roast meats. Save
Creamy St. Patrick's Day Colcannon Mashed Potatoes topped with melting butter, served alongside festive corned beef and hearty roast meats. | recipesbyleanne.com

This traditional Irish dish combines creamy mashed potatoes with sautéed cabbage and fresh scallions, delivering a rich and comforting flavor. The potatoes are boiled until tender, then mashed with warm milk and butter to a fluffy texture. Tender cabbage is gently cooked to retain subtle sweetness and mixed in along with scallions, bringing balance and freshness. Seasoned simply with salt and black pepper, it makes an ideal accompaniment for hearty meals or celebrations.

There was this tiny pub in Dublin where I first tasted colcannon, the kind where you could barely turn around without bumping into someone's chair. The proprietor's grandmother had made it, and she insisted the secret was cooking the cabbage until it practically melted into the potatoes. I've been chasing that memory ever since, and honestly, this version comes pretty close.

My friend Sarah came over last March, skeptical about cabbage in her mashed potatoes. I watched her take that first tentative bite, then go back for seconds before I'd even sat down. Now she requests it every time she visits, not just on St. Patrick's Day.

Ingredients

  • Potatoes: I prefer Yukon Golds for their buttery flavor, but russets work beautifully too. Just cut them into evenly sized chunks so they cook at the same rate.
  • Butter: Use real butter here. The richness matters. Four tablespoons split between the mash and the cabbage makes all the difference.
  • Whole milk: Warm it up before adding. Cold milk shocks the potatoes and makes them gluey, which nobody wants.
  • Green cabbage: Shred it finely so it cooks down quickly and distributes evenly throughout the potatoes.
  • Scallions: These add a gentle onion flavor that's not too sharp. Slice them thin so they almost disappear into the dish.
  • Salt and pepper: Don't be shy with seasoning. Potatoes need plenty of salt to truly shine.

Instructions

Start the potatoes:
Place your potato chunks in a large pot with enough cold water to cover them by an inch. Add that teaspoon of salt. Bring everything to a boil, then turn down the heat and let it simmer gently until a fork slides through easily.
Cook the cabbage:
While the potatoes bubble away, melt half your butter in a big skillet over medium heat. Toss in the shredded cabbage and cook it until it's soft and sweet, about seven minutes. Add the scallions for the last two minutes, then set it aside.
Mash it all together:
Drain the potatoes completely and return them to the hot pot. Drop in the remaining butter and mash until smooth. Slowly pour in the warm milk, stirring until everything's creamy and fluffy. Fold in that cabbage mixture and taste for salt and pepper.
Hearty St. Patrick's Day Colcannon Mashed Potatoes blended with tender cabbage and scallions, perfect for a cozy St. Paddy's Day dinner. Save
Hearty St. Patrick's Day Colcannon Mashed Potatoes blended with tender cabbage and scallions, perfect for a cozy St. Paddy's Day dinner. | recipesbyleanne.com

Last year I made this for a potluck, and three people asked for the recipe before they even finished their plates. Something about the combination of creamy potatoes and sweet cabbage just speaks to people.

Making It Your Own

Sometimes I'll swap kale for the cabbage, especially in winter when kale seems to be everywhere. It holds up beautifully and adds a slightly earthier flavor. A minced garlic clove in with the cabbage doesn't hurt either.

The Perfect Texture

I've found that using a potato ricer gives you the fluffiest results, but a good old-fashioned masher works just fine. The key is not overworking the potatoes. Mash until smooth, then stop.

Serving Suggestions

This dish deserves a proper presentation. Make a little well in the center of each serving and add an extra pat of butter. It melts down into the potatoes while everyone's watching, which is somehow magical.

  • Pair it with corned beef for the classic St. Patrick's Day dinner
  • It's hearty enough to stand alone as a main course with a simple green salad
  • A sprinkle of fresh parsley on top adds a nice pop of color
Warm St. Patrick's Day Colcannon Mashed Potatoes garnished with fresh green onions, showcasing the fluffy texture of this traditional Irish side dish. Save
Warm St. Patrick's Day Colcannon Mashed Potatoes garnished with fresh green onions, showcasing the fluffy texture of this traditional Irish side dish. | recipesbyleanne.com

There's something deeply comforting about this dish. Maybe it's the simplicity, or maybe it's just that butter melting on top. Either way, it's become a regular at my table.

Recipe FAQ

Russet or Yukon Gold potatoes are preferred due to their starchy texture, which mashes smoothly and absorbs flavors well.

Yes, kale is a traditional alternative that offers a slightly different texture and flavor but maintains the dish’s authenticity.

Sautéing the cabbage gently until just tender preserves its sweetness without browning, which complements the creamy potatoes.

Dairy such as butter and milk create a rich and creamy texture, but plant-based alternatives can be used for dairy-free variations.

Simple salt and freshly ground black pepper highlight the natural flavors of the ingredients without overpowering the dish.

Yes, minced garlic can be sautéed with the cabbage for an extra depth of savory flavor.

St Patricks Day Colcannon

Creamy mashed potatoes mixed with tender cabbage and scallions for a comforting Irish side dish.

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 Potatoes: Place potatoes in a large pot and cover with cold water. Add 1 teaspoon salt. Bring to a boil, then reduce heat and simmer for 15-20 minutes until fork-tender.
2
Sauté Cabbage and Scallions: Melt 2 tablespoons butter in a large skillet over medium heat. Add cabbage and sauté for 5-7 minutes until soft but not browned. Stir in scallions and cook for 2 minutes more, then remove from heat.
3
Mash Potatoes: Drain potatoes well and return to pot. Add remaining 2 tablespoons butter and mash until smooth.
4
Add Milk: Gradually stir in hot milk until potatoes are creamy and fluffy.
5
Combine and Season: Fold in 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)
Leanne Porter

Home cook sharing easy, wholesome recipes and real kitchen wisdom for fellow food lovers.