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Colcannon Potatoes

Creamy colcannon potatoes with kale and green onions in a rustic bowl.

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A classic Irish comfort food of creamy mashed potatoes folded with tender wilted greens and rich butter. This simple, satisfying side dish is perfect for a cozy weeknight or a festive holiday spread.

Ingredients

Scale
  • 3 pounds russet or Yukon Gold potatoes, peeled and cut into large chunks
  • 1 large bunch kale or green cabbage, finely chopped (about 6 cups packed)
  • 1 cup whole milk or half-and-half
  • 1/2 cup (1 stick) unsalted butter, divided
  • 3-4 green onions (scallions), thinly sliced
  • Salt and freshly ground black pepper, to taste

Instructions

  1. Place potatoes in a large pot, cover with cold salted water by 1 inch, and bring to a boil. Reduce to a simmer and cook for 15-20 minutes until fork-tender. Drain well and let steam-dry in the warm pot.
  2. While potatoes cook, melt 2 tablespoons butter in a large skillet over medium heat. Add chopped kale or cabbage with a pinch of salt. Cook, stirring often, for 5-7 minutes until wilted and tender. Stir in green onions during the last minute. Remove from heat.
  3. In a small saucepan, gently warm the milk and 4 tablespoons of the remaining butter until butter is melted. Do not boil.
  4. Mash the drained potatoes in the pot until mostly smooth. Gradually add the warm milk mixture, mashing until creamy. Fold in the wilted greens and onions until combined. Season generously with salt and pepper.
  5. Transfer to a serving bowl. Make a well in the center and place the remaining 2 tablespoons butter in it to melt. Serve warm.

Notes

For a gourmet touch, finish with a drizzle of truffle oil and crispy fried leeks. To make ahead, cook potatoes and greens separately up to a day in advance, then combine when ready to serve.

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