Ingredients

  • 3 large russet potatoes, peeled and quartered
  • 2 tablespoons butter at room temperature
  • 4 ounces kale, trimmed and chopped
  • 1 leek, light parts only, rinsed and chopped
  • 1 bunch green onions, chopped, white and green parts separated
  • 2 tablespoons butter at room temperature
  • salt and ground black pepper to taste
  • 1/4 cup heavy whipping cream
  • 2 tablespoons butter, for serving
  • 1/4 cup green onions to garnish

Method

  • Boil potatoes in a large pot of salted water until tender, about 10 minutes.
  • Drain and transfer potatoes to a large bowl.
  • Add 2 tablespoons butter and lightly mash the potatoes.
  • Boil kale and leeks in a large pot of water until tender, 5 to 7 minutes.
  • Drain and transfer kale and leeks to a blender.
  • Add white parts of the green onions and 2 more tablespoons butter; blend until smooth, scraping down sides as needed, 1 to 3 minutes.
  • Stir pureed kale mixture into the bowl of potatoes and continue to mash.
  • Season with salt and black pepper to taste.
  • Add cream and stir until desired texture.
  • Top with 2 tablespoons butter and green parts of the green onions.