Preheat the oven to 160° C w/ fan.
Clean, peel, trim, cut, dice, mince, press the vegetables & the herbs: we’ll need slices of courgettes, diced onion, presses garlic, minced parsley.
In a pan add olive oil & onion & fry softly for about 5 min.
Add garlic & fry softly for another 5 min.
Add parsley & fry softly for another 5 min.
Add tomatoes, mash them & fry everything for about 10 min.
Add salt 6 pepper to taste.
Add the courgette & mix until all slices are covered w/ the tomato mess.
Put it in a ovenproof casserole & let it bake for about 45 min; all the liquid (of the courgette!) shall have vanished into thin air. The courgette slices shall be soft, but firm & the liquid shall have reduced to a thick tomato mess.
Sprinkle fresh basil on top just before serving.