Method
- Crush garlic and pine nuts with a pinch of salt.
- Add basil gradually and pound to a green paste.
- Work in cheeses, then stream in olive oil.
- Boil potatoes, green beans, and trofie together, timing so all finish tender.
- Loosen pesto with pasta water in a warm bowl, not over direct heat.
- Toss pasta and vegetables with pesto and serve immediately.
Cook's note: Heat dulls basil. Combine pesto off the flame.