Method:
Cut the courgettes in half lengthwise, remove some of the pulp and put them to one side.
In a bowl mix together well the minced meat, egg, parmesan, the pulp from the courgettes, and a little nutmeg.
Add salt and pepper.
Fill the courgettes with the mixture, place them in a Pyrex dish greased with oil, pour on the rest of the oil and cook in the oven, at a moderate temperature, for an hour.