1. Wash the broccoli florets thoroughly and pat them completely dry.
2. In a bowl, combine the broccoli, olive oil, garlic, chilli flakes, black pepper and salt.
3. Toss well until the broccoli is evenly coated.
4. Preheat the Domestica Air Fryer Oven to 200°C for 2–3 minutes.
5. Arrange the broccoli florets in a single layer on the cooking tray.
6. Air fry at 200°C for 10–12 minutes.
7. Shake or turn the broccoli halfway through cooking for even browning.
8. Continue cooking until the edges are crisp and lightly charred.
9. Transfer to a serving plate and drizzle with lemon juice.
10. Add lemon zest and Parmesan if desired.
11. Serve immediately while hot and crisp.