Method
1. Cook the pasta according to the directions on the packet.
2. Meanwhile, heat the olive oil in a large non-stick frying pan. Finely chop the onion and garlic. Add to the tomatoes and cook until the onion's soft.
3. Stir in the tomato purée and sweetcorn and cook for five minutess.
4. Add the tuna and basil and heat through.
5. Stir the sweetcorn and tuna sauce into the pasta and serve.
