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Irresistible Duchess Potatoes Recipe with Crispy Parmesan Crust

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These duchess potatoes feature a fluffy, buttery interior topped with a crispy, cheesy Parmesan crust, perfect for special occasions or cozy dinners. The recipe is straightforward and delivers restaurant-quality results at home.

Ingredients

Scale
  • 2 pounds (900g) russet potatoes, peeled and cut into chunks
  • 4 tablespoons (60g) unsalted butter, softened
  • ½ cup (120ml) heavy cream, warmed
  • 2 large egg yolks, room temperature
  • ¾ cup (75g) grated Parmesan cheese
  • 1½ teaspoons salt
  • ½ teaspoon freshly ground black pepper
  • Pinch of freshly grated nutmeg (optional)
  • ¼ teaspoon garlic powder (optional)

Instructions

  1. Place 2 pounds peeled and chopped russet potatoes in a large pot. Cover with cold water and add 1 teaspoon of salt. Bring to a boil over medium-high heat and cook until tender, about 15-20 minutes. Test with a fork; it should slide in easily.
  2. Drain the potatoes well in a colander. Return them to the hot pot over low heat for 1-2 minutes to evaporate leftover moisture.
  3. Using a potato ricer or masher, mash the potatoes until smooth and lump-free. Avoid overworking to prevent gluey texture.
  4. Stir in 4 tablespoons softened unsalted butter until melted and incorporated. Pour in ½ cup warmed heavy cream gradually, stirring gently until silky smooth.
  5. Beat 2 large egg yolks lightly, then fold them into the potato mixture. Add 1½ teaspoons salt, ½ teaspoon freshly ground black pepper, a pinch of nutmeg, and ¼ teaspoon garlic powder if using. Mix just until combined.
  6. Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
  7. Transfer the potato mixture into a piping bag fitted with a large star tip. If you don’t have one, a sturdy zip-top bag with the corner snipped off works fine.
  8. Pipe potato swirls or small mounds onto the lined baking sheet, spacing them about 1 inch apart for even cooking.
  9. Sprinkle about ¾ cup grated Parmesan cheese evenly over the top of each potato mound.
  10. Place the tray in the preheated oven and bake for 20-25 minutes, or until the tops are golden brown and crisp. Keep an eye on them near the end to avoid burning the cheese.
  11. Let the duchess potatoes cool for a couple of minutes before serving.

Notes

If potatoes are too stiff to pipe, add a splash more cream or warm milk to loosen the mixture. For ultra-crispy edges, broil for 1-2 minutes at the end but watch closely to prevent burning. Use freshly grated Parmesan for best melting and crisping. Avoid overworking potatoes to prevent gluey texture. Warm the cream before adding for smoothness.

Nutrition

Keywords: duchess potatoes, crispy Parmesan crust, mashed potatoes, holiday side dish, easy potato recipe, French potatoes, cheesy potatoes

Find it online: https://blairrecipes.com/irresistible-duchess-potatoes-recipe-with-crispy-parmesan-crust-easy-step-by-step/