Method

1. Heat the olive oil in a large frying pan or wok and gently fry the onion, garlic and chillies over a medium heat for 5 minutes.
2. Add the tomato, white wine, bay leaf , balsamic vinegar and sugar and bring to the boil.
3. Meanwhile, cook the pasta in a large pot of rapidly boiling salted water until al dente. 
4. Reduce the heat in the frying pan and simmer the sauce for 5 minutes. Season with salt and pepper to taste. Add the prawns and marinara mix. Cook for a further 5 - 8 minutes until prawns turns pink and the flesh white. Adjust seasoning if necessary.
5. Remove the bay leaf from the sauce and stir in the olives.
6. Toss with the drained pasta and serve.