Heat the olive oil over a medium-high heat.

Add the onions and fry until soft. Add the garlic and fry for a further minute.

Add the tomatoes, ketchup, herbs and sugar. Cook for a further 4-5 minute.

Add the carrot and courgette. Stir and cook for another few minutes.

Add the water and reduce heat. Allow to simmer for 20 minutes. Stir occasionally.

Cook pasta according to packet instructions. Once cooked drain and add to the vegetable sauce. Stir well together.

Transfer to a plate and sprinkle with grated parmesan.