Duchess potatoes with spinach

Ingredients

• 450 gred potatoes
• 150 gspinach
• ¼white onion
• 50 gbutter
• 1egg yolk
• as neededdill
• as needednutmeg
• as neededextra-virgin olive oil
• as neededblack pepper
• as neededfine salt
• 80 gcream cheese
• 70 gsingle cream
• as neededextra-virgin olive oil
• as neededfine salt
• as neededblack pepper
• as neededpomegranate
• as neededextra-virgin olive oil
• as neededblack pepper
• as neededdill

Instructions

1. 1

   Cook the potatoes

   Put the whole, unpeeled potatoes into cold salted water. Bring to the boil and cook for 30–35 minutes, checking with a fork that they are tender. Meanwhile, finely chop the onion. Warm a little oil in a non-stick frying pan and cook the onion gently until soft.

2. 2

   Wilt the spinach

   Add the spinach to the pan, season with a pinch of salt, cover and cook until wilted.

3. 3

   Drain the spinach

   Transfer the cooked spinach to a colander and press it lightly to remove excess moisture. Blend it with a hand blender.

4. 4

   Mash the potatoes

   Blend the spinach until smooth, then leave it to cool. Drain the cooked potatoes and pass them through a potato ricer while they are still hot.

5. 5

   Mix the mash

   Add the butter and stir straight away so it melts. Season with grated nutmeg and salt, then mix in the spinach purée.

6. 6

   Add the seasoning

   Stir in the egg yolk, chopped dill and black pepper.

7. 7

   Pipe the potatoes

   Mix thoroughly with a spatula, then transfer the mixture to a piping bag fitted with a 12 mm star nozzle. Keep it in the fridge while the oven heats; the mixture should be cold when you pipe it. Pipe well-spaced rosettes onto a baking tray lined with baking paper, working in two batches if needed.

8. 8

   Bake the rosettes

   Brush the tops with a little oil and bake in a preheated conventional oven at 200°C for 18 minutes. Let them cool slightly before handling, as they are delicate while hot. Meanwhile, put the cream and cream cheese in a bowl.

9. 9

   Make the sauce

   Season the cream and cream cheese with oil, salt and pepper. Whisk vigorously until smooth and creamy.

10. 10

    Plate the dish

    Spread the cream-cheese sauce over a serving plate and arrange the green duchess potatoes on top.

11. 11

    Garnish and serve

    Finish with dill sprigs, pomegranate seeds and black pepper to taste, then serve.

What are duchess potatoes?

Duchess potatoes are a French-style preparation of mashed potato, shaped with a piping bag and baked until lightly browned. Their ridged edges make them look smart enough for a celebration while keeping the centre soft.

This version folds spinach into the potato and serves the piped bites with a creamy cheese sauce. Dill and pomegranate bring a fresh, colourful finish.

Nutrition and macros by portion

The nutrition label shows one serving as written: 58 calories, 1g protein, 5g carbs, 4g fat.

The potatoes provide most of the carbohydrates, while butter, cream, cream cheese and olive oil contribute most of the fat. The egg yolk and dairy add some protein, with spinach contributing a small amount as well. For a more balanced plate, pair a few rosettes with a generous serving of salad or other vegetables.

Getting the potato mixture right

Potatoes: cooking them whole with their skins on helps keep them from absorbing too much water. Rice them while hot so the butter melts into the mash smoothly.

Spinach: squeeze out excess liquid after cooking, then blend it into a smooth purée. Too much moisture can make the potato mixture difficult to pipe and less able to hold its shape.

Piping neat rosettes

Cold mixture: chill the mash before piping, as the method specifies. It will be firmer and easier to shape into defined ridges.

Even spacing: leave room between each rosette on the lined tray, and bake in batches if necessary. A 12 mm star nozzle gives the duchess potatoes their characteristic fluted edges.

Checking doneness

Potatoes: after 30–35 minutes from boiling, test one with a fork; it should be tender enough to rice without lumps. Cooking time can vary with the size of the potatoes.

Baked rosettes: use the stated 18 minutes at 200°C as your guide. They should be set and lightly coloured, and need a short rest before you move them because they are fragile when hot.

The cream-cheese base

Whisk the cream cheese and single cream with the seasoning until the mixture is smooth and creamy. Spread it across the serving plate as a base rather than spooning it over the rosettes, so their piped shape remains visible.

Serving for a gathering

Arrange the spinach potato rosettes over the sauce shortly before serving, then add dill and pomegranate seeds. The garnish gives each bite a herbal note and a little fruity contrast.

These are designed as appetisers, so serve them alongside other small festive dishes. For a more substantial plate, add a green salad or roasted vegetables.

Recipe notes & tips

• Use potatoes of a similar size so they cook at roughly the same rate.
• Press the cooked spinach gently in the colander to remove excess liquid before blending.
• Rice the potatoes while they are hot, before adding the butter.
• Chill the potato mixture before piping to help the rosettes keep their shape.
• Pipe the rosettes with space between them and bake in batches if your tray is crowded.
• Let the baked duchess potatoes cool briefly before lifting them from the tray.

Variations

• More herbs: add extra chopped dill to the potato mixture for a stronger herbal flavour.
• Peppery finish: add a little more black pepper to the cream-cheese sauce.
• Extra garnish: scatter additional pomegranate seeds over the platter just before serving.
• Different cheese: replace the cream cheese with another soft, spreadable cheese.
• Smaller bites: pipe smaller rosettes and check them early, as their baking time may be shorter.

Common mistakes to avoid

• Wet spinach: excess water can loosen the mash; drain and press the spinach before blending.
• Lumpy potatoes: rice them while hot for a smoother mixture that pipes more easily.
• Warm mash: piping before chilling can make the rosettes lose definition; refrigerate the mixture first.
• Overcrowded tray: rosettes need space; use two batches rather than squeezing them together.
• Handling them hot: the baked potatoes are delicate straight from the oven; let them cool slightly before moving.
• Lumpy sauce: whisk the cream cheese and cream thoroughly until the mixture is smooth before plating.

How to store

Store leftover duchess potatoes and sauce separately in airtight containers in the fridge for up to 2 days. Reheat the potatoes on a baking tray in a 180°C oven until hot; stir the sauce before serving and avoid reheating it for too long.

Frequently asked questions