Slice your bananas and dip them in lemon juice ... This will negate the need to spray the insert with cooking spray too. Store dried banana chips in an airtight container at room temperature ...

removing them as they feel crisp and dried out (remove any that have browned too much even if they don’t feel crisp – they will crisp more as they cool). Repeat until all the banana slices are ...

To give added interest and texture, use fresh or dried banana slices for decoration. This is not a deep cake, as it has a closer texture than a plain sponge. Preheat the oven to 180C/160C Fan/Gas 4.