Ingredients:

• Two large handfuls rocket
• About 10 walnuts,  pecans or other unsalted nuts
• Garlic clove peeled
• About 1in of  Parmesan thinly sliced
• salt
• olive oil

Method:

1. Put all the dry ingredients in a food processor and start it running.
2. Gradually pour in the olive oil with machine on until you have a thickish bright green liquid - takes about 4 mins.
3. Serve stirred through pasta, with grilled goats cheese, with bruschetta, withtomatoes, on roasted veg.

Stores for months in fridge in screw top jar or you can freeze it.  You can do the same thing with basil.