Quick vegetable minestrone

Method

1. Heat a large saucepan with a glug of olive oil, add the onion and fry on a low-medium heat for 5 minutes, stirring occasionally. Add the garlic and carrots, then fry, stirring occasionally, for another 5 minutes.
2. Add the pasta and stock, then simmer for 5 minutes. Stir in the broccoli florets, cabbage, pesto and lemon zest and juice, then simmer for 4-5 minutes more.
3. Stir in the parsley to finish, then serve in deep bowls, topped with
   a generous grating of parmesan (or vegetarian alternative) and lots of freshly milled black pepper.