"Switch out your standard mashed potatoes on St. Patrick's Day to enjoy the flavors of a traditional Irish colcannon version of the root vegetable...."
INGREDIENTS
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4 russet potatoes, peeled and cut into large chunks
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2 teaspoons salt, divided
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1 stick butter, plus more for serving
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3 cups chopped kale or cabbage
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3 green onions, finely chopped
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1 cup milk