Kung pao roasted broccoli recipe

Ingredients

• 60 ml vegetable oil
• 1 tbsp sesame oil
• 0.2 tsp cayenne pepper, or more to taste
• 900 g broccoli (approx 2 smallish heads), cut into florets, stems peeled and cut into 5mm (0.2 inch)-thick rounds
• 1 pinch salt and freshly ground black pepper