• 4.1 kg broccoli florets, cut into bite-sized pieces, dried well
• 13½ tbsp olive oil
• 4½ tsp salt
• 2¼ tsp black pepper
• 18 clove garlic, minced
• 9 pinch red pepper flakes, optional
• 18 tbsp parmesan cheese, grated, optional
• 9 lemon, cut into wedges, for serving

Metric measurements are approximate conversions.