Rachel's Colcannon (Irish mashed potatoes)
- Rachel DuVernet
- Dec 3, 2025
- 1 min read
Ingredients you'll need
4 russet potatoes (2 to 2 1/2 pounds), peeled and cut into 1 1/2-inch pieces
Salt, to taste
5 to 6 tablespoons of unsalted butter, plus more for serving (Irish butter preferred!)
3 lightly packed cups chopped kale, cabbage, chard, or other leafy green
3 green onions, minced (about 1/2 cup)
1 cup cream
Step-by-Step Cooking Instructions
Put the potatoes in a medium pot and cover with cold water by at least an inch. Bring to a boil. Boil until the potatoes are fork tender, 15 to 20 minutes. Drain in a colander.
Add the cream and green onions with a pinch of salt to a medium pot and cook on low until warmed. Turn heat off and allow to steep with a lid on while working on rest.
Return the pot to the stove and set over medium-high heat. Melt the butter in the pot and once it's hot, add the greens. Cook the greens for 3 to 4 minutes, or until they are wilted and have given off some of their water.
Pour in the cream, mix well, and add the potatoes. Reduce the heat to medium.
Use a fork or potato masher and mash the potatoes, mixing them up with the greens.
Add salt to taste and serve hot, with a knob of butter in the center.

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