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Duchess potatoes on a baking sheet.

Duchess Potatoes

4.7 stars (42 ratings)
23 Comments
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Gluten Free Gluten Free Vegetarian Vegetarian Refined Sugar-Free Refined Sugar Free

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Duchess potatoes are the prettiest mashed potatoes ever. They're buttery on the inside with crispy edges that are impossible to resist. And even though they look fancy, they're very simple to make.

Complete your meal with our lemon herb butter roast chicken and some maple glazed carrots!

Duchess potatoes on a baking sheet.
Table of Contents hide
Duchess Potatoes
What are duchess potatoes
Can duchess potatoes be made in advance?
Can you freeze duchess potatoes?
Can these be made without the egg?
Can I make these without a pastry bag?
Popular Side Dishes
Duchess Potatoes Recipe

Duchess Potatoes

This is the recipe you should make if you want to wow your dinner guests. Whether you invite some friends over this weekend, or are preparing for Thanksgiving or Christmas dinner, duchess potatoes will be the star of the show.

  • They're the prettiest potatoes you'll ever see.
  • You'll look like a super chef bringing these to the table.
  • (It's our secret that they're easy to make.)
  • They can be made up a day in advance and stored in your fridge until you are ready to bake them.
  • They go great with everything from a roast turkey to pot roast to grilled salmon.
  • They are super buttery and delicious.

What are duchess potatoes

Duchess potatoes are a fancy version of mashed potatoes.

They're made by mashing buttered potatoes with egg yolks, which makes the potatoes hold their shape once they're baked.

Then they're piped into pretty swirls using a pastry bag fitted with a large star tip.

When they're baked, the insides stay beautifully soft and the outside edges get nice and crispy.

Before and after baking duchess potatoes.

Can duchess potatoes be made in advance?

Yes! Duchess potatoes can be made 24 hours in advance and kept in your fridge until you're ready to bake them.

Simply pipe the potatoes onto a baking sheet then loosely cover them with plastic wrap before storing them in your fridge.

TIP: let the duchess potatoes cool for 1 hour in your fridge before you cover them with wrap. This will help protect the pretty edges.

Can you freeze duchess potatoes?

Yes! Duchess potatoes freeze very well. Simply pipe the potatoes onto a parchment paper lined baking sheet then put them into your freezer.

 

Once they're solid, you can move them into a freezer bag. They will keep well for 3 months in your freezer.

 

Reheat them from frozen, adding a few minutes to the baking time.

Looking down at a tray of duchess potatoes.

Can these be made without the egg?

No, unfortunately these don't work well without the egg. In testing, we found that egg-free duchess potatoes fell flat when baked and were very difficult to get off the tray.

Can I make these without a pastry bag?

Yes, but they will look different. If you don't have a pastry bag, your best option is to spoon the mashed potatoes into a resealable plastic bag then cut the tip off the bag.

You can then pipe the duchess potatoes onto a baking tray. They'll have smoother edges so they won't get quite as crispy, but they'll still be very tasty.

9 duchess potatoes lined up on a baking sheet.

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4.72 stars (42 ratings)
Duchess potatoes on a baking sheet.

Duchess Potatoes Recipe

Prep: 30 minutes mins
Cook: 50 minutes mins
Total: 1 hour hr 20 minutes mins
Rate Recipe Print
If you make these Duchess Potatoes for your next dinner party, your guests will be impressed! This side dish is crispy, creamy and absolutely delicious.
6 servings

Ingredients

  • 2 ½ lb. russet or Yukon gold potatoes
  • 4 tablespoons butter
  • ā…“ cup whipping cream
  • 1 ½ teaspoons sea salt
  • 1 teaspoon pepper
  • 4 large egg yolks
  • 1 whole egg + 1 tablespoon milk (for the egg wash)

Instructions 

  • Preheat your oven to 375 degrees. Line 2 baking sheets with parchment paper.Ā 
  • Peel the potatoes and cut into quarters. Place them in a large pot and cover them with water. Bring the water to a boil and cook until the potatoes are soft, about 10-15 minutes. Drain the potatoes.Ā 
    2 ½ lb. russet or Yukon gold potatoes
  • Pass the potatoes through a potato ricer. Alternatively, you can mash them with a potato masher, making them as smooth as possible.Ā 
  • Add the butter and let it melt. Mix in the cream, salt, and pepper. Taste and add more salt, if wanted. When the mashed potatoes have cooled slightly, stir in the egg yolks.
    4 tablespoons butter, ā…“ cup whipping cream, 1 ½ teaspoons sea salt, 1 teaspoon pepper, 4 large egg yolks
  • Transfer the mashed potatoes to a pastry bag fitted with a large star tip. (You'll need to work in batches.) Pipe the potatoes onto the parchment-lined baking sheets into swirls about 3 inches in diameter.
  • Whisk the whole egg with the milk then gently brush it over the duchess potatoes. You don't want to use a lot and you'll likely have leftovers.Ā 
    1 whole egg + 1 tablespoon milk
  • Bake the potatoes for 20-25 minutes, or until they have started to turn golden along the ridges. Serve with a little minced parsley, chives, or thyme sprinkled over the top.Ā 

Video

Notes

Make duchess potatoes 24 hours in advance

Complete steps 2-5 then place the trays of duchess potatoes into your fridge for 1 hour. After an hour the potatoes will be firm enough that you'll be able to cover them with wrap. Add a few extra minutes to the cooking time.Ā 

Freeze duchess potatoes

Complete steps 2-5 then place the trays of duchess potatoes into your freezer. Once they are solid you can place them into a freezer bag. They will keep well for at least 3 months. Bake them from frozen adding about 10 minutes to the baking time.Ā 
 

Nutrition

Serving: 1 serving = ā…™ of the recipe, Calories: 307kcal (15%), Carbohydrates: 34g (11%), Protein: 7g (14%), Fat: 16g (25%), Saturated Fat: 9g (56%), Polyunsaturated Fat: 1g, Monounsaturated Fat: 5g, Trans Fat: 1g, Cholesterol: 188mg (63%), Sodium: 681mg (30%), Potassium: 839mg (24%), Fiber: 4g (17%), Sugar: 2g (2%), Vitamin A: 641IU (13%), Vitamin C: 37mg (45%), Calcium: 57mg (6%), Iron: 2mg (11%)
Ā© Author Kristen Stevens

We have thoroughly tested this recipe for accuracy. However, individual results may vary. See our full recipe disclosure here.

Duchess potatoes on a baking sheet.

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Kristen Stevens

Kristen Stevens

Hi, I'm Kristen! I LOVE everything to do with food: making it, taking pictures of it, and (the best part) eating it. ♔♔♔

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Posted: 11/17/2020 Updated: 11/06/2023
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