Preheat the oven to 180°
Cook the courgettes in a large saucepan of salted boiling water for 10/12 minutes.
Cut each courgette in half lengthways and scoop out the pulpy centre with a little spoon. Chop it and put in a bowl .
Mix the egg, Pecorino, breadcrumbs, chopped basil leaves, pine nuts, olive oil together with the courgette pulpy. Season with salt.
Stuff the courgettes with the mixture and place them into a baking dish covered with baking paper.
Sprinkle with some extra virgin olive oil.
Bake them in the preheat oven for 20 minutes, then grill them for a couple of minutes until crispy.
Serve warm or at room temperature.