Cut courgettes into quarters lengthways. Slice 4 or 5 times diagonally
Place on a baking tray, sprinkle with salt, drizzle with olive oil and roast in the oven for 30-40 minutes until tender
Allow to cool then place in a colander set over a bowl. Squeeze out as much of the liquid as you can. Transfer to food processor along with all other ingredients. Process for 3-4 minutes, scraping down the sides every so often until you reach the consistency you like.
Store in the fridge in an airtight container until you wish to serve. Drizzle with olive oil