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The Ultimate Easy Duchess Potatoes: Creamy Inside, Crispy Outside

Close-up of perfectly piped and baked duchess potatoes with golden, crispy edges on a white serving plate.

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Make this elegant potato side dish that impresses guests. You achieve creamy mashed potatoes piped into beautiful rosettes that bake to a golden, crispy finish.

Ingredients

Scale
  • 2 pounds Russet potatoes, peeled and quartered
  • 1/2 cup whole milk
  • 4 tablespoons unsalted butter
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 3 large egg yolks
  • 1 large egg, beaten (for egg wash)
  • Pinch of paprika (optional, for color)

Instructions

  1. Place the peeled and quartered potatoes in a large pot and cover them with cold, salted water. Bring the water to a boil and cook until the potatoes are very tender, about 15 to 20 minutes.
  2. While the potatoes cook, gently heat the milk and butter in a small saucepan until the butter melts. Do not boil. Keep warm.
  3. Drain the cooked potatoes well and return them to the hot, empty pot over low heat for one minute, stirring constantly to dry them out slightly. This step helps prevent watery potatoes.
  4. Remove the pot from the heat. Mash the potatoes thoroughly until completely smooth.
  5. Gradually beat in the warm milk and butter mixture until fully incorporated and smooth.
  6. Stir in the salt, pepper, and the three egg yolks until the mixture is uniform and creamy. Do not overmix once the yolks are added.
  7. Preheat your oven to 400 degrees Fahrenheit (200 degrees Celsius). Line a baking sheet with parchment paper.
  8. Transfer the potato mixture to a large piping bag fitted with a large star tip (like a Wilton 1M or 2D).
  9. Pipe the potatoes onto the prepared baking sheet into decorative swirls or rosettes, leaving about one inch between each one.
  10. In a small bowl, whisk the remaining egg with a pinch of paprika, if using. Lightly brush the tops of the piped potatoes with the egg wash.
  11. Bake for 15 to 20 minutes, or until the edges are golden brown and crispy. Serve immediately for the best texture.

Notes

  • For the creamiest texture, use a potato ricer instead of a standard masher.
  • If you do not have a piping bag, you can spoon the mixture onto the sheet and use a fork to create ridges.
  • You can prepare the potato mixture up to 24 hours ahead. Store it covered in the refrigerator and bring it close to room temperature before piping.
  • For Parmesan Duchess Potatoes, mix 1/4 cup of grated Parmesan cheese into the potato mixture with the egg yolks.

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