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Cat Sheppard

Cat has been teaching cookery for more than ten years, previously running a cookery school in Berkshire for Mike Robinson on Game and Wild Food which opened in 2007. Later she moved on to work for the Children’s Food Trust on the Let’s Get Cooking programme, which trained and set up over 7,000 cookery clubs across England, reaching over 3 million children.

Cat ran the London region for over seven years, working with schools, children’s centres, community centres and further education colleges. She built relationships and sponsorship with a number of large corporate organisations including Tesco, and went on to work with them to run cookery courses, teaching thousands more children basic cooking skills in store.

Now based in the world-famous ski resort of Verbier, Switzerland, Cat partnered up with Amy Corbett to open the Mountain Thyme Cookery School in 2017. Their love of teaching and passing on their hard-won skills to the next generation is evident. Also catering to the rich & famous as well as running a home-made ready-meal delivery service, they plan to expand to other Swiss resorts in the very near future.

Video Description

Mountain Thyme Cookery School based in Verbier, Switzerland, invites you into their classroom with these online lessons in cooking and baking.

In this episode of their masterclass, Mountain Thyme Cookery School's Chef Cat Sheppard shares her best tips on improving short crust party skills and how to make one of their most popular, demanded dishes- a lemon tart. 


250g plain white flour

75g icing sugar

150g butter

A pinch of salt

1 egg yolk (keep white for brushing over pastry)

10ml cold water if necessary

3 lemons

4 eggs + 1 yolk

175g caster sugar

200ml double cream


Ideally the day before – grate the zest of lemons into the measured sugar and give a good shake.

Store in an air-tight container.

Make the pastry. Mix icing sugar and flour. Rub in butter to produce fine breadcrumbs. Make a well, add the egg and stir with a table knife to combine. If too dry add the cold water. Knead briefly, then wrap tightly in clingfilm and chill in fridge for at least 20 minutes.

Pre-heat oven to 200°C.

Roll out the pastry, dusting with a little flour and ease into the tart case. Line with clingfilm in both directions and fill centre with rice. Wrap clingfilm round to form a weight. Chill for another 10 minutes.

Blind bake in the oven for approximately 20 minutes, then remove the bag, paint egg white over it and replace for a further 5 mins.

While pastry is blind baking, make the filling. Whisk the eggs and lemon sugar until paler and light. Mix in the cream gently.

Juice the lemons and then very, very slowly pour in the lemon juice, whisking all the time. You don’t want it to curdle at this stage.

Pour into the pastry case (while it is still in the oven) very carefully and turn the heat down to 160°C. Bake for 30 minutes or until the centre just wobbles. Remove and cool in the tin until ready to serve.

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