Wash and dry basil leaves and place in a food processor with the toasted pine nuts, olive oil, garlic and a pinch of salt and pepper.
Process until finely chopped. Add the grated cheese and process until combined.
Note: To toast pine nuts, place in small saucepan or fry pan on medium heat (no oil necessary) and shake pan as they start to turn golden brown.
50g of basil leaves is approximately one small bunch.