Plum tomato tart with Parmesan biscuit, avocado and chorizo

PT1H30M

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Ingredients

Metric

Imperial

Tomatoes

Parmesan biscuit

Avocado emulsion

To serve

1
Preheat the oven to 160°C/gas mark 3
2
For the Parmesan biscuit, mix together the flour, Parmesan and salt and rub in the butter to create a coarse crumble. Pour the crumble across a baking tray and cook for 10–15 minutes until golden, then remove from the oven and set aside to cool
3
Meanwhile, lightly score a cross through the skin of each tomato and place in a bowl. Cover with just enough boiling water to cover and leave for 30 seconds, then drain and cool the tomatoes under cold water. Peel off and discard the skins
4
Place 8 of the tomatoes in a heavy-bottomed pan with the butter and thyme sprigs. Gently melt the butter over a low heat and allow the tomatoes to confit slowly for 1 hour
5
Place the remaining 8 tomatoes in a vacuum bag with the vinegar and sugar and seal with a chamber sealer to compress. Set aside until ready to serve
  • 50ml of Cabernet Sauvignon vinegar
  • 50g of dark muscavado sugar
6
Once the pastry crumble has cooled, transfer to a food processor and blend until the fat begins to separate out, making the crumbs sticky and glossy. Tip out onto a tray lined with baking paper and cover with a second sheet. Roll out evenly to create a thin layer of dough and transfer the tray to the freezer for 1 hour to set
7
To make the avocado emulsion, remove the peel and stone and place the flesh in a blender with the egg yolks and lemon juice. Blend briefly to combine as a smooth mixture then, keeping the machine slowly running, gradually pour in the sunflower oil until the mixture emulsifies
8
Adjust the seasoning to taste, then pass through a fine sieve to ensure the emulsion is completely smooth. Transfer to a piping bag and reserve in the fridge until ready to serve
9
Drain the confit tomatoes from the butter and the compressed tomatoes from the vacuum bag. Remove the Parmesan dough sheet from the freezer and use a 6cm pastry cutter to stamp out biscuit discs
10
To assemble the tarts, place a Parmesan biscuit on each plate and stand 2 compressed tomatoes and 2 confit tomatoes on top. Pipe over a little of the avocado emulsion and some shredded fresh basil. Gently warm the chorizo slices in a frying pan over a medium heat and lie across the top of the tarts, garnishing the plates with a few salad leaves to serve
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