She takes over as the reigning Bake Off champ from Matty Edgell ... Quintessential Baking, for example. Quinn has baked for many British celebrities, including Jools Holland and Clare Balding ...

Either way, "The Great British Baking Show" taught us the sponge you ... which may be why Season 14 winner Matty Edgell chose this sponge for his winning showstopper (as pictured above).

In The Great British Baking Show hosts Sue Perkins and Mel Giedroyc, along with expert judges Mary Berry and Paul Hollywood, searched the U.K. for the country's best amateur baker. Each week ...