Grilled Fennel with Parmesan and Lemon

Bahan-bahan (4 porsi)

• 12 oz fennel bulb (1 large, stalks and fronds removed)
• olive oil spray
• kosher salt and black pepper (to taste)
• 1/2 tbsp olive oil
• 1/2 lemon (juice of)
• 1/2 oz Parmigiano Reggiano shavings