On the busiest day of the show, fresh juice and pizza vans were standing idle.
When the sauce is thickened and glossy, remove from the heat, whisk in the lemon juice and season to taste.
Then ate a hotel breakfast – carrot juice, omelette, lentils, salad, salmon – with no bread, no croissant; my new resolve on diet.
Make your own rhubarb cordial – put 400-450g rhubarb, 250g sugar, the juice of half a lemon and 500ml water in a pan, bring to a boil, simmer until the rhubarb has disintegrated, then cool, strain through muslin into a jug (it will take a few hours to drip through) and refrigerate; or buy a decent commercial brand.
The juice is frozen within a small round mould, shaped like an egg yolk, and the frozen yolk is dipped in gelatine.
Add the lemon juice, take off the heat and stir in the orange blossom water.
Breakfast is hearty, with homemade cakes, organic apple juice, and eggs from their own chickens.
Whisk together the sugar and lemon juice and put into a piping bag with a small round tip if you have one.
Cooked white beans, meanwhile, are a gem to have ready in the fridge: puree and use to top bruschetta, or toss into rocket salads, or heat up with masses of olive oil, lemon juice and garlic to serve with bangers.
Its creators call it a "piece of green urban furniture", and it acts as a Wi-Fi station and phone recharger, using solar energy stored in batteries to feed out juice regardless of the weather or time of day.
What the police discovered when they raided the three-bedroom flat in spring 2011, however, had more of a Young British Artists vibe: homemade shelves stacked with hundreds of juice cartons and tinned food with a 1980s sell-by date.
