For those with a Libre or CGM have a look at this:
https://diyps.org/2016/07/11/picture-this-how-to-do-eating-soon-mode/
I find it works well - when I am organised enough to do it!
Thanks for sharing this. Never even crossed my mind to do a small bolus an hour before and then the remainder just before eating. Makes sense to me although would only be able to implement this plan for a small percentage of my Daughter's meals....and it is another dreaded injection.
I guess this is one of the things that a Pump can allow you do more easily.