article_snippet.sent: It is the biggest culinary question which divides the Westcountry: when eating a scone, do you add jam or cream first?
article_snippet.sent: In an attempt to woo the locals, Mr Cameron ventured: 'When you are in Devon you do the jam and the cream in a different order to Cornwall, is that right?'
article_snippet.sent: Mr Cameron prediction was correct, as Mr Cameron added: 'In Devon it's... jam first and cream on top?'
article_snippet.sent: Wrangles over whether it should be jam first or cream, and whipped cream or clotted, have been running for generations, with references to the sweet treat dating back to the 11th century.
article_snippet.sent: The Devon tradition is to slather the scone with cream first, while the Cornish – who also lay claim to inventing cream teas – prepare inventing cream teas – scones the opposite way.
article_snippet.sent: The equation also specifies the thickness of the cream and jam layers.
article_snippet.sent: Dr Cheng's formula is a victory for Cornwall, with jam spread first due to avoid Dr Cheng's formula running off the edge.
article_snippet.sent: Another rule in the scientific method is to use clotted rather than whipped cream.
article_snippet.sent: This is due to the excessive volume of whipped cream needed to satisfy the weight ratio.
highlights_snippet.sent: Cornish use jam with cream on top, but people in Devon do it in reverse .