Cook spaghetti in a large pan of boiling Salted water until just cooked

Heat olive oil in a pan

Add the onion and garlic and sauté for 5-7 minutes until onion is softened.

Stir in chilli flakes, tomatoes, peas, passata and sardines with their sauce,

Roughly break up the sardines

Cover and simmer for about 5 minutes or until sauce is hot and tomatoes are softened.

Stir in basil; season with black pepper.

Drain spaghetti, reserving a couple of tblspns of the cooking water; add reserved cooking water to sardine sauce in pan.

Add spaghetti to sauce, toss to mix well.