To make in the food processor:

1. In the bowl of a food processor, combine basil, olive oil, pine nuts, minced garlic, and a pinch of salt and process until creamy.
2. Transfer to a bowl and mix in the two cheeses.

To make with mortar and pestle:

1. Combine basil, pine nuts, minced garlic, and a pinch of salt (coarse is better here) in the mortar. Using the pestle with a rotary, grinding motion, grind the ingredients into a paste against the sides of the mortar.
2. Add both cheeses and using the pestle grind into the paste.
3. Pour in olive oil in a thin stream and beat until incorporated with a wooden spoon.