Just eaten my first Lidl High Protein roll - well, actually only half of a whole one. I toasted it, smothered it in butter and had 2 boiled eggs with it. I'll update everyone with the results later.
P.S. It was delicious and very filling.
I promised an update, so here it is:
Fasting reading this morning - 6.3
2 hours later and just before I had breakfast - 7.3
1 hour after eating 2 boiled eggs and half a Lidl High Protein roll - 6.9
2 hours -----------------"---------------------------"------------------------ - 7.5
3 hours -----------------"---------------------------"------------------------ - 6.2
I think it was a successful test
but I'll repeat it again just to make sure. I'd also like to try it when I start at a lower reading (I really must try to eat something not long after I get up).