Bring a large pot of salted water to a boil. Add green beans and cook for 3-4 minutes until crisp-tender. Drain and plunge ...
Add the cooked pasta, reserved pasta water, herbs and salmon to the pan. Season with salt and freshly ground black pepper and toss gently over the heat. Serve at once with the toasted pine nuts ...
Place on serving dish. Break the salmon into flakes and scatter across the potatoes. Add the herbs and the capers. To make the caper pesto Blitz all ingredients except the oil in a food processor.