Cut the courgettes in half, parboil in salted water for about 10 minutes and scoop out the flesh with a melon baller or a spoon.
STEP 2
Mash the flesh of the courgettes with a fork. In a bowl, combine the flesh of the courgettes with breadcrumbs, grated Grana Padano Riserva, salt, pepper, 1 egg, garlic and chopped parsley and mix well.
STEP 3
Stuff the courgettes with this filling, arrange the courgettes on a baking sheet lined with parchment paper and drizzle with olive oil.
STEP 4
Cook in a preheated oven at 180°C for 20-25 minutes, until the courgettes look well grated.
STEP 5
Serve the courgettes warm, garnished with basil leaves.