Duchess potatoes look like a project. They’re really not.
Never have I ever seen potatoes so incredibly glamorous!
The first time my fork slid through a Duchess potato it was met with a crispy exterior and then a surprisingly soft and pillowy inside.
But the awe didn’t stop there. The flavor was rich, decadent, and even better than the BEST mashed potatoes I’d ever had.
(Want the classic scoopable kind instead? Mashed Potatoes with Bacon and Cheese is the one for that.)
With the increase in fascination, I soon set out to master the art of the Pommes Duchesse. From culinary school cookbooks to online processes by the pros, the information was gathered, tweaked, and ultimately revamped until the PERFECT Duchess potato recipe was born.
And with thorough step-by-step instructions, I feel confident in saying you too will be able to conquer this seemingly intimidating side dish the first go-around.
So much so, that I triple-dog dare you to make them for Thanksgiving or Christmas dinner. Because I promise, these beautiful individual servings are sure to be a hit!
These are now my go to for Christmas dinner. So easy and delicious
– Gina H.
Ingredients and Substitutions
For the exact measurements and detailed instructions, please see the recipe card below.
- Potatoes: Yukon gold are a must for their waxy texture. Red potatoes work too, but skip russets since they won’t have the same consistency.
- Milk: Regular milk or half and half both work, and no heavy cream is needed here. Unsweetened oat or cashew milk keep it dairy-free.
- Butter: Salted butter was tested in this recipe, but unsalted can be swapped out. Butter has the best taste, though oil will work if you’re dairy-free.
- Eggs: This is the ingredient that makes the whole thing work, since the yolks are what let the piped swirls hold their shape. You’ll need both yolks and a whole egg.
- Seasonings: Salt and black pepper of course, but also a touch of garlic powder and a pinch of nutmeg. You can substitute regular minced garlic or even roasted garlic if preferred.
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How to Make Duchess Potatoes
See the recipe card below for the full instructions, ingredient amounts, and a printable recipe.
Peel and cut the potatoes.
Peel the potatoes and cut out any leftover eyes, then slice each one in half and into quarters. The skins won’t pipe evenly, so they all come off for this one.
Boil until fork-tender.
Cover the potatoes with an inch of cold water, add a pinch or two of salt, and bring the pot to a boil. Reduce to a simmer and cook uncovered for 10 to 12 minutes, until a fork slides right in.
Rinse and drain well.
Drain the potatoes into a colander and rinse under cold running water until they’re cool to the touch. Let them drain thoroughly before they go in the bowl.
Why the cold rinse matters
The rinse is doing two jobs. It cools the potatoes so the eggs won’t scramble when they go in, and it washes off the surface starch that turns mashed potatoes gluey.
Rice the potatoes.
A potato ricer gives the best texture for piping. A fork, fine grater, masher, pastry cutter, or food processor all work too, just don’t over or underwork them.
Season, then add the eggs.
Stir the melted butter, milk, salt, pepper, garlic powder, and nutmeg into the riced potatoes. Whisk the yolks and whole egg together in a small bowl, then stir them in until well combined.
Pipe onto a lined tray.
Fit a large piping bag with a 1M tip and a coupler, then pipe onto a parchment-lined baking sheet with about half an inch between each one. You should end up with 12 that are roughly two and a half inches wide.
Go big on the tip
Don’t reach for a small piping tip. The mixture is thick, and a 1M star tip is what gives you the ridges that crisp up in the oven.
Brush with butter and bake.
Lightly coat the tops with the remaining tablespoon of butter, being careful not to disrupt the edges. Bake at 375 degrees for 25 to 30 minutes, until the edges start to turn golden.
The Sheet Pan I L❤️VE!
Your veggies will end up steaming instead of roasting if you overcrowd the pan. So my tip… use the largest sheet pan you have and spread everything out!
Oops! What did I do wrong?
My mixture is too loose to hold its shape. There’s probably a little extra water in there from the rinse. Drain the potatoes longer next time, and chill the mixture for about 20 minutes before piping so it firms up.
They spread out flat in the oven. That’s usually a mixture that’s too warm or too wet. Pop the piped tray in the fridge for 20 minutes before it goes in the oven.
My potatoes turned gluey. They got overworked. A ricer is the gentlest option, and whatever you use, stop as soon as the chunks are gone.
The edges burned before the middles warmed up. Your swirls were probably piped taller than about two and a half inches. Check them at 25 minutes, since baking time shifts with size.
The mixture won’t come through the tip. The tip is too small. Swap to a 1M and make sure the coupler is seated.
FAQs
Duchess potatoes are mashed potatoes mixed with egg yolks, then piped into individual swirls and baked until the edges turn golden and crisp. The egg is what holds the shape, so they come out crunchy on the outside and soft in the middle.
You’ll also see them called pommes duchesse, which is just the French name. This is the recipe to try your hand at French cuisine.
The yolks are what turn mashed potatoes into something you can pipe. They add richness and fat, and as they set in the oven they hold the swirls upright instead of letting them slump. That’s the whole difference between a scoop of mashed potatoes and a duchess potato.
A piping bag is the only way I’ve made them. If you don’t have one, a large zip-top bag with the corner snipped off does the same job, though without a star tip you won’t get the ridges that crisp up in the oven.
Nope. This version uses regular milk, and half and half works too. Unsweetened oat or cashew milk keeps it dairy-free, and you won’t miss much flavor at all.
Arrange them in a single layer in an airtight container and refrigerate for up to 3 to 5 days. Use parchment between the layers if you need to stack them. You can freeze them, but the texture is best when they’re served right away. Pre-freeze in a single layer on a baking sheet, transfer to a freezer-safe airtight container for up to 3 months, then thaw in the refrigerator for a day and reheat in the oven.
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Easy Duchess Potatoes Recipe
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Ingredients
- 2 ½ lbs. Yukon gold potatoes or red potatoes
- 5 tablespoons butter melted
- ⅔ cup milk oat, cashew, or soy, divided
- 2 egg yolks large
- 1 large egg large
- 1 ½ teaspoons salt
- ¼ teaspoon black pepper
- ¼ teaspoon garlic powder
- ⅛ teaspoon nutmeg
- Thyme or parsley optional
Instructions
- Preheat oven to 375 degrees.
- Prep the Potatoes. Peel potatoes with a vegetable peeler and remove any remaining eyes of skin. Cut each potato in half and then into quarters.2 ½ lbs. Yukon gold potatoes
- Boil Potatoes. Add potatoes to a large pot, cover with 1 inch of cold water and add a pinch or two of salt. Bring the pot to a boil. Once boiling, reduce heat to a simmer and cook, uncovered, for 10-12 minutes, or until they pierce easily with a fork. Transfer boiled potatoes to a colander and rinse under cold running water until cool to the touch.
- Mash and Season. Rice potatoes using a potato ricer into a large bowl. Add 4 tablespoons of melted butter, ⅓ cup milk, salt, pepper, garlic powder, and nutmeg. Mix until well combined. Whisk egg yolks and egg in a small bowl and then add to the mashed potatoes. Add additional milk until you get to the desired consistency. Stir with a spatula until well-mixed.2 ½ lbs. Yukon gold potatoes, 5 tablespoons butter, ⅔ cup milk, 1 ½ teaspoons salt, ¼ teaspoon garlic powder, ⅛ teaspoon nutmeg, ¼ teaspoon black pepper
- Pipe onto a Pan. Using a pastry bag fitted with a 1M star tip, pipe the potatoes onto a large baking sheet lined with parchment paper. Leave about ½-inch of space between each one. You should end up with 12 that are roughly 2 ½-inches in width. Lightly brush potatoes with the remaining tablespoon of butter, being careful not to disrupt the edges.
- Bake in preheated oven for 25-30 minutes, or until the edges begin to brown.
- Serve the potatoes with thyme leaves or chopped fresh parsley. Enjoy!Thyme or parsley
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Notes
- Prep-Ahead: Boil and rice the potatoes then combine them with the eggs and milk up to 24 hours in advance. Pull the mixture out of the fridge 30 minutes to an hour before piping so it can come to room temperature.
- Storage: Arrange in a single layer in an airtight container and refrigerate for up to 3-5 days. Use parchment paper between the layers if you need to stack them. Return to a 375°F oven for 10-15 minutes or until warm. You can also quickly heat them in a microwave or Air Fryer.
- Freezing: Pre-freeze the Duchess potatoes in a single layer on a baking sheet. Once they are firm, transfer to a freezer-safe airtight container and freeze for up to 3 months.
- Ingredients: Swap out the butter for oil and select a dairy-free milk such as unsweetened oat or cashew milk.
- Tools: A ricer yields the best texture that is perfect for piping.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
What to serve with duchess potatoes
These were made for a holiday plate, so they’re right at home next to whatever roast is coming out of the oven. Because they bake at 375 degrees, they share the oven easily with most mains.
For the rest of the table, Dairy-Free Green Bean Casserole and Sweet Potato Casserole with Pecans are the two that always go first. Fresh Cranberry Orange Sauce is great alongside for something bright.
If you want another potato on the table, Smashed Red Potatoes go the crunchy route and Brown Butter Mashed Potatoes go the cozy route.
And if you end up with extra riced potato mixture, Mashed Potato Pancakes are a great way to use it up the next morning.
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These are now my go to for Christmas dinner. So easy and delicious
Yay! So happy to hear you enjoyed the recipe, Gina! I love them for holidays. Thanks so much for taking the time to leave a comment and rating!
Why is the milk divided?
Hi Rebecca! The milk is added to your desired consistency. I’ll word it better in the instructions, though. Thank you!
Do you freeze the potatoes after they have been baked? What is your suggestion for rewarming
You can if you’d like, but the texture is best if served immediately. If you freeze them, thaw in the refrigerator for a day and then reheat in the oven! Can’t wait to hear what you think about the recipe, Terry!