King Charles III and the Queen Consort have personally chosen the recipe to mark their forthcoming coronation.

Ahead of the coronation in May – and the Big Lunches being staged as part of the celebrations – the royal couple have shared the recipe for their “coronation quiche”.

The recipe for the open-baked savoury tart, which features spinach, broad beans and tarragon, was shared on the royal family’s official Twitter account.

A palace chef, dressed in a white uniform embroidered with the late Queen’s EIIR cypher and a chef’s hat, was shown making the quiche in a video posted on social media.

The royal family’s website described it as “a deep quiche with a crisp, light pastry case and delicate flavours of spinach, broad beans and fresh tarragon.

“Eat hot or cold with a green salad and boiled new potatoes – perfect for a Coronation Big Lunch!”

Quiche is known as a classic French dish, but is said have actually originated in Germany in the Middle Ages. The word quiche from the German kuchen, meaning cake.

The Great British Bake Off contestants have made quiches in the past as part of 1980s-themed challenges.

Even Delia Smith has struggled with soggy-bottomed quiches, with her website containing advice on how to avoid the problem.

“For years I’ve been experimenting with this type of recipe to eliminate, for ever, the problem of the soggy pastry base that seems to plague so many people, myself included,” she wrote on her website.

“I will stress that the container must be metal, not porcelain or glass.”

For the late Queen Elizabeth II’s coronation in 1953, coronation chicken was invented to feed the international guests who were entertained at Buckingham Palace after the ceremony. The dish features cold chicken in a curry cream sauce with a well-seasoned dressed salad of rice, green peas and mixed herbs.

The Coronation Big Lunch aims to brings neighbours and communities together to celebrate the May 6 coronation. Camilla has been patron of the Big Lunch initiative since 2013

Charles and Camilla’s Coronation Quiche recipe

1 x 20cm flan tin

Ingredients

Pastry:

Filling

Method

1. To make the pastry: Sieve the flour and salt into a bowl; add the fats and rub the mixture together using your finger tips until you get a sandy, breadcrumb-like texture. Add the milk a little at a time and bring the ingredients together into a dough. Cover and allow to rest in the fridge for 30-45 minutes

2. Lightly flour the work surface and roll out the pastry to a circle a little larger than the top of the tin and approximately 5mm thick.

3. Line the tin with the pastry, taking care not to have any holes or the mixture could leak. Cover and rest for a further 30 minutes in the fridge.

4. Preheat the oven to 190°C.

5. Line the pastry case with greaseproof paper, add baking beans and bake blind for 15 minutes, before removing the greaseproof paper and baking beans.

6. Reduce the oven temperature to 160°C.

7. Beat together the milk, cream, eggs, herbs and seasoning.

8. Scatter 1/2 of the grated cheese in the blind-baked base, top with the chopped spinach and beans and herbs, then pour over the liquid mixture.

9. If required gently give the mixture a delicate stir to ensure the filling is evenly dispersed but be careful not to damage the pastry case.

10. Sprinkle over the remaining cheese. Place into the oven and bake for 20-25 minutes until set and lightly golden.

Additional reporting by Press Association

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