Rocket or spinach can be used in place of the basil
Put a frying pan on a medium heat
Add the pine nuts and lightly toast
Grate the Parmesan
Put the garlic and a pinch of sea salt in a processor and pulse,
Add the pine nuts and pulse again until roughly chopped
Add the basil and pulse carefully until it is well mixed but still very textured. Turn into a bowl and stir in the grated Parmesan and lemon juice.
Pour in the olive oil, mixing to a juicy paste.
Season to taste.