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2–4
Easy
By Matt Tebbutt
Published 2008
I first tried this in a back-street restaurant in Florence. It was one of those jaw-dropping moments when you become transfixed by the dish in front of you. After much cajoling, the grandmother behind the stove scribbled something in Italian on a scrap of paper...
Blitz three-quarters of the lemon rind with all the ingredients up to the walnuts in a food processor. Let down the mixture with a ladleful of hot water or vegetable stock, just to loosen. Now add the walnuts and continue to purée. Season with salt and pepper.
Boil up some bucatini or spaghetti until al dente, drain then add