1. In a medium saucepan, place tomatoes, olives, basil, spring onions and capers. Bring mixture to the boil over moderate heat.
2. Bring a large saucepan of water to the boil, add noodles and cook until tender, about 5 minutes, drain.
3. Arrange noodles on each serving plate and top with tomato sauce, serve mmediately.
Garnish with fresh basil sprig if desired.