What exactly is a blondie, you might ask? Imagine a brownie, except it is not brown as there is no cocoa powder.
You have got to love the English language for its various dialects and cultural differences! Here is a case in point: a British biscuit is what North Americans call a cookie, but biscuits in North America are more like British scones.
In the UK, coffee cake is literally a cake with coffee in it.