thread Dunno
I just tend to get something reasonably top of the range and stick with it for a while. And presumably you can write shiny shiny off against tax as you're self employed? Possibly.

Not sure on salads either, generally go simple and plain (lettuce, toms, cucumber etc). But we did have a lovely one in Spain that was based on really thinly sliced courgette, blue cheese, pears and figs. Nom.