1 small chilli pepper, finely chopped
2 garlic cloves, finely chopped
1cm/陆in fresh ginger root, thinly sliced
3 tbsp finely chopped parsley
375g/13oz dried linguine or other pasta
450g/1lb carton or bottle passata
400g tinned tuna in oil, drained and roughly chopped
salt and freshly ground black pepper
4 tbsp extra virgin olive oil