OVEN
Preheat the oven to 200°C. Place the blooming onion on a microwave‑safe plate and heat at 900 W for 3 minutes 30 seconds. Wrap the blooming onion in a sheet of baking paper and place it in the oven at 200°C for 15 minutes. Open the baking paper and return to the oven at 165°C for 5 minutes. Let rest out of the oven for 2 to 3 minutes before serving.