M.C. Beaton writes a series of mysteries set in the Scottish Highlands. Several of the books praise the scones made by the Currie sisters as being "feather-light."
Is this different from the typical English scone? Every scone I've ever had was rather dense. How do you make a feather-light scone?
Fiction or Food?
There might be some artistic licence if the book is just about a fictional story.
... a light sconce was intended?
Light compared to heavy does not tell you an object is lightweight. It just tells you it is lighterweight than a heavy object.