Micropower Mode: Pre-heat your microwave for approximately 10 minutes. Then bake the batter for 5 minutes. Convection Mode: Pre-heat your microwave for approximately10 minutes at 18 degrees Celsius. Then bake the batter for 20 minutes at 180 degrees Celcius. Gas-Oven: Take a flat base bowl, pre-heat the bowl with salt or sand approximately for 6 minutes. Then bake the batter for 20 minutes on medium flame.