The Great British Baking Show ™

Host: "What we're looking for is your own personal spin on an absolute classic, the upside down cake. This is a simple sponge just topped with a fruit of your choice."

'You've got two hours to bake and present your cake.'

Mary Berry: "A classic British upside down cake traditionally features a sponge baked on top of a layer of fruit. It's flipped once it comes out of the oven so the fruit bottom becomes the top.