Duchess Potatoes (Classic French Side Dish)

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Prep time: 15 minutes
Cook time: 40 minutes
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Pommes Duchesse are one of those classic French sides that immediately bring a touch of elegance to the table. I love them because they look so refined, yet they’re actually incredibly easy to make at home. Golden on the outside and melt-in-your-mouth soft inside, they’re perfect for a holiday dinner or any special occasion where you want something that feels festive but not complicated.

A decorative plate holds a portion of duchess potatoes in their robes, garnished with herbs, surrounded by utensils, a baking tray and a bowl of parsley on a light tabletop.

Why You’ll Love Duchess Potatoes!

Duchess potatoes are one of my favorite side dishes for holiday meals. I used to rely on the frozen ones (so convenient!), but once I discovered how simple they are to make at home, I never looked back. Homemade really is on another level. And you can make them too, because:

  1. Make-ahead: you can easily prepare them in advance and pop them in the oven just before serving.
  2. Budget-friendly: an elegant and budget-friendly side dish, as they’re really just potatoe, a little butter and egg yolks.
  3. Sure to impress: They may be simple, but they always win people over.

5 Tips to Nail Your Duchess Potatoes Every Time

You’ll see, Duchess potatoes are super easy to make, I just have 5 tips to help you get it right the first time:

  1. Potatoes: Choose starchy potatoes, since you’ll be mashing them. In the U.S., Russet potatoes work perfectly, and Yukon Gold is also a great option if you prefer a slightly creamier texture.
  2. Don’t overcook the potatoes : If you overcook them, your mashed potatoes will be elastic and difficult to work with.
  3. Dry out the potatoes: After draining, let the potatoes sit for a couple of minutes so the steam can escape. This helps remove as much moisture as possible and gives you a smoother, firmer mash.
  4. Fluted piping bag: To form pretty, even rosettes that are golden brown.
  5. Brush with butter: After about 10 minutes in the oven, brush the potatoes with melted butter to help them get even crispier and more golden on the outside!

Note: In the end, the texture of the mash is much drier than that of a classic Pommes Purée. Do not try to add any liquid such as cream or milk, otherwise the Duchess Potatoes might collapse during baking.

Recipe Card

Duchess Potatoes (Classic French Side Dish)

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Duchess potatoes, a lovely side dish based on mashed potatoes. Crisp on the outside and melt-in-the-mouth on the inside, they’re a French classic for your holiday meals.
Une assiette décorative contient une portion de pommes de terre duchesse en robe des champs, garnies d'herbes, entourées d'ustensiles, d'une plaque de cuisson et d'un bol de persil sur un plateau de table clair.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Course Side dish
Cuisine French
Servings 4
Calories 279 kcal
Print Recipe

Ingredients
  

  • 1.5 lb potatoes 750 g starchy, such as Russet or Yukon Gold)
  • 4 tbsp unsalted butter plus 2 tablespoons melted for brushing
  • 3 egg yolks
  • 1 pinch of nutmeg
  • 2 tbsp chives finely chopped (option)
  • Salt and pepper

Instructions
 

  • Peel potatoes and cut into large cubes.
    Plusieurs pommes de terre, épluchées et non épluchées, sont posées sur une planche à découper en bois, à côté d'épluchures de pommes de terre et d'un épluche-légumes.
  • Cook in a large pot of salted water for 20 to 25 minutes, until done.
    Les pommes de terre épluchées sont mises à bouillir dans une casserole blanche remplie d'eau sur la cuisinière.
  • Drain, then leave to stand warm for 5 minutes to evaporate the moisture.
    Une passoire métallique contenant des pommes de terre épluchées et bouillies est posée sur un évier de cuisine, avec un robinet en laiton visible à l'arrière-plan.
  • Meanwhile, melt the butter in a small saucepan and chop the chives (optional).
  • Preheat your oven to 355°F (180°C fan) or 390°F (200°C conventional).
  • Mash the potatoes very finely using a potato masher or food mill.
    Un bol en verre rempli de pommes de terre râpées ou en dés est posé sur un comptoir en marbre ; un petit bol contenant un mélange d'œufs et des herbes hachées se trouve à l'arrière-plan.
  • Stir in the melted butter, then add the egg yolks, a pinch of salt, pepper, nutmeg and, if using, chives. Mix until you obtain an homogenous mash.
    Un bol en verre contenant du couscous cuit, deux jaunes d'œufs crus, de la ciboulette hachée et un peu de sel sur une surface en marbre.
  • Transfer the mixture to a pipping bag fitted with a fluted tip. On a baking sheet lined with baking paper, form small rosettes or domes, spacing them well apart.
    Des tourbillons de pommes de terre duchesse jaunes avec des herbes vertes sur une plaque à pâtisserie recouverte de papier sulfurisé, prêtes à être cuites.
  • Place in the oven for 10 minutes, then brush with melted butter to make them crispier. 
    Des monticules de purée de pommes de terre avec des herbes sont disposés sur une plaque à pâtisserie recouverte de papier sulfurisé, prêts à être cuits.
  • Continue baking for 8-10 minutes, until the Duchess potatoes start to brown.
    Des pommes de terre duchesse dorées aux herbes cuites sur une plaque à pâtisserie recouverte de papier sulfurisé.

Notes

Storage: Duchess potatoes keep for up to 3 days in an airtight container in the refrigerator.
Reheating: Reheat in the oven at 350°F (180°C) for about 10 minutes, or in the air fryer at 350°F (180°C) for 5–7 minutes, until hot and lightly crisp again.
Freezing: Duchess potatoes freeze very well. (See my detailed tips below.)

Nutrition

Calories: 279kcal | Carbohydrates: 33g | Protein: 6g | Fat: 14g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.4g | Cholesterol: 173mg | Sodium: 108mg | Potassium: 808mg | Fiber: 4g | Sugar: 2g | Vitamin A: 511IU | Vitamin C: 37mg | Calcium: 43mg | Iron: 2mg
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What to Serve Duchess Potatoes with?

Like all potato-based recipes, Duchess Potatoes are fairly neutral, so they go well with almost anything! Here are some ideas:

Make-Ahead Tip: Freeze Your Duchess Potatoes

That’s what I love about this side dish: you can easily prepare your Duchess potatoes in advance and freeze them. That’s why I often serve them at Christmas or Easter:

  • Uncooked: shape the apples on a baking sheet lined with baking paper, without touching each other, then place in the freezer for 2 to 3 hours. Once hard, transfer to an airtight bag or tin.
  • Pre-baked: baked them for 15-20 minutes or so, just to color them slightly, let them cool, then freeze them in the same way (first without touching, then you can put them together).
  • In any case, they can be kept for up to 3 months in the freezer.

To reheat, place the frozen duchess potatoes directly in the oven at 355°F (180°C) for 10 minutes.

FAQ about Duchess Potatoes

Can you make Duchess potatoes without a pipping bag?

Yes, although they won’t have the typical Duchess shape. In this case, use two spoons to form small dumplings, or pour the purée into silicone mini-muffin moulds for a more regular version.

Why do my Duchess potatoes flatten out in the oven?

The mash was probably too wet, or the oven not hot enough. Remember to let the potatoes steam before mashing them.

Can the Duchess potatoes be prepared in advance?

Yes, you can shape the Duchess potatoes up to 48 hours before baking, keeping them in the fridge. Then just put them in the oven just before serving.

How do you best reheat Duchess potatoes?

It’s best to put them back in the oven at 350 °F (180°C) for 10 minutes. Above all, avoid the microwave, otherwise they will no longer crisp up.

Can Duchess potatoes be baked in the Air Fryer?

Yes ! In fact, I find that the results are even better than in the oven! Place them in the basket without overlapping and bake at 400 °F (200°C) for 15-18 minutes.

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