21:00Eat with Your EarsSponge As Light As AirBBC Radio Berkshire Duration: 34 minutes Fri 25th Jan 2019, 21:00 on BBC Radio BerkshireAvailable for over a yearListen nowBechamel sauce in a sponge cake - "it's what makes our restaurant!" Berkshire chefs Ryan and Liam share one of their biggest secrets. Also - can you make cake in a microwave?GenresFactualFood & DrinkBrandEat with Your Ears Source: BBC Online