In a frying pan heat up 2 tbsp of olive oil over medium/ high heat, add sliced courgette, chopped garlic and sautee for a few minutes until they stat to become softer. Add chopped parsley and leave it on the side. In a mixing bowl add cream, nutmeg, salt, pepper, your courgette mix and 70g of gruyere. Mix well and place it on a baking dish, top with the rest of the grated cheese and bake for about 20 minutes.leave it to rest for 10 minutes before serving serves 6