Bring to the boil a large pan of salted water. Cook the pasta bows in the water, following the instructions on the packet for timing.
Blend the garlic, basil and olive oil in a bowl with a hand blender to make a pesto.
When the pasta is cooked, drain and allow to cool slightly.
To serve, put the pasta in a bowl, add all the other ingredients and mix. Drizzle with olive oil and serve.
