Hollow the courgettes with a spoon and keep what comes out — chopped and stirred into the filling it is the difference between juicy and dense. Big late-summer courgettes are the right ones here; the small tender ones are better off grilled.
It did not make it into the plan for these seven days.
The method above is what decides the dish, not a step-by-step recipe. The link runs a web search on the name: this page has no vetted sources of its own, and will not invent any.