Friday 7 February 2014

The Green Duchess - Perfectly Piped Puréed Potatoes

Fanny is remembered for a few key dishes, not always favourably, but most of all it's her 'green mashed potato' that is mentioned often. And she takes it very seriously indeed. Fanny sees it as a basic skill, one that she comes back to time and time again. And it's no ordinary mash either, but the quite superior Duchess Potato that she favours, which can be used to top any dish of leftovers, including as she says 'that dreadful English traditional cottage pie'. Fanny is, of course, scornful of the way that potatoes are treated in this country - which she notes is normally 'boiling the wretched things to death'. According to the rulings of classic cookery there are 450 ways to treat a potato, but of course Fanny says the only way is to steam them.

Fanny Cradock

For these delightful Duchesses there is much to learn before the steaming commences however, and it's mostly about piping. Fanny demonstrates her piping technique, and shows pictures of her poor assistants, and even Johnnie, in action with the bag and nozzle. The assistants are forced to wear matching outfits and have strict instructions never to look at the camera.


The basic mix is made from steamed potatoes that are then sieved and heated gently in a completely clean dry pan until all the mixture is really dry. This is the key to successful Duchess, moisture is not a friend. Fanny says you may get 'bored bandy' sieving the potatoes, but reassures that it is essential for a good effect. The flabbier the potato if overloaded with moisture, the more frustrated you'll be with your failed piped shapes. Fanny says it's like icing a cake, you must start right from scratch. Far from being bored, I find it quite therapeutic.


To the steamed, sieved, dried potato, seasoning is added, a small amount of softened butter and an egg yolk. I coloured the egg yolk with green gel paste colouring from Wilton's first. Then it's on to shaping! Fanny gives separate and detailed instructions for Gallettes, Doights (fingers), Petits Pyramides, Petits Pains, Brioches, Rosettes Longues and Couronnes. I prefer the piped ones, especially the little pyramids, but try them all. I even add in my own shape (what on earth would Fanny say) in preparation for Valentines Day. Obviously, nothing says 'I Love You' quite like a green mashed potato heart.


Before baking, the piped potatoes need to be brushed with a glaze Anglais. This is strained egg which is beaten with olive oil (I used rapeseed though, I clearly just can't follow Fannys instructions), salt and white pepper. Fanny says this mixture imparts a fine, rich glaze to any savoury substance which needs one. Perfect. All that's left to do is bake until a nice rich brown colour. And still green of course.


They come out looking sensational - at least I think so! Has Fanny finally gotten to me? Will my potatoes forever be green? They look so cheery and colourful, and the piped ones especially just simply made me smile. Definitely no ordinary potato, the Duchess is surely a perfect way to remember Fanny and celebrate her style - go on, grab your food colouring and get piping!

10 comments:

  1. Oh lovely you! I tried to persuade my agent to buy the rights to 'something's Burning' as I think the world needs a bit more Fanny in it. I always try to cook in a ball gown as Fanny advises. Love the blog and may all your doughnuts turn out like Fanny's.

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    1. Why thanks so much! I am loving rediscovering Fanny and glad to know others are enjoying it too!

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  2. Spectacular!
    How did they taste?

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    1. Do you know, they tasted great - I'd only every had creamy, buttery mash before, but these were light and tasty! And cheery ;-)

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  3. Well blow me down!
    Who would ever have suspected that these were even edible.
    Fanny triumphs again :-))))))

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    1. Hee hee, as ever! We need to bring back a bit of colour don't we? Thanks!

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  4. Love the colour and your piping skills are excellent! Great job! :)

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  5. These would look good as little Christmas Trees on a Christmas dinner plate! Wonder what could be used as the baubles?

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