Chop the onion finely and fry it on a medium heat in a little bit of olive oil for 3 minutes.

Add the chopped tomatoes and simmer on medium heat for 5 minutes, stirring occasionally.

Add the tomato paste and continue to simmer, stirring occasionally.

Add the mixed herbs and stir occasionally for 5 minutes.

Add the tuna and mix it in well, still continuing on a medium heat.

Add the sugar and mix it in well.

Add chilli flakes/sauce to taste.

Cook pasta and allow sauce to simmer on a low heat until pasta is ready.

Serve and enjoy :)