Had to have a go. Decided to experiment... ate half a mince pie filled with ginger plum and honey and two small shortcake biscuits with my coffee. Tested myself later and the result was a pre diabetic 8.7. As most my other reading are 5.5-6.5. It was a bit a surprise not to mention a blemish in my food diary. But as I won't be eating another until Xmas 2021, it was interesting to see the difference a minor carb increase (well may be not so minor, about 20 ) can make