With the AEG CIB6640ABM SteamBake cooktop, you can make your bread extra crispy using steam. Before switching on the oven, fill the hole in the bottom of the oven with 100 milliliters of water. Next, start the fan function and select PlusSteam. Wait until the PlusSteam light turns off and place your bread in the oven. The moisture in the oven creates a crispy crust with a soft interior. The function is also suitable for making airy cakes and pastry. The 4 cooking zones each have a boost function. This heats it up to the maximum temperature to quickly get a pot of water to the boil. The oven has 2 OptiFlex conductors that you can fully extend and adjust the height of.