pinch dried red chilli flakes
150g/5½oz courgetti
1 garlic clove, finely chopped
½ red pepper (60g/2¼oz), roughly chopped
1 small red onion (50g/1¾oz), finely chopped
200g/7oz tinned chopped tomatoes
salt and freshly ground black pepper, to taste
2 tsp olive oil
2 level tsp tomato purée
125g/4½oz cooked peeled prawns