Heat a large pan on a medium heat.
Finely chop the onion and garlic.
Spray the pan well with 1kcal spray and add the onion and garlic.
Sauté on a medium heat until soft (about 4 minutes).
Add the tinned tomatoes and cherry tomatoes to the pan.
Season the sauce well with salt, pepper, red chili flakes and oregano.
Stir in the olives and sun dried tomatoes.
Taste the sauce and season again as required.
Cover and simmer on a low heat while you cook the pasta.
Cook the pasta according to packet instructions.
Drain the pasta and serve with the sauce poured over and garnished with freshly chopped basil.