Originally Posted by
sunrisegirl
Exactly the point I was going to make. Security will take it from you if it's over 100ml as it contains liquid, ie. the sauce.
I can confirm Boots sell baby food in their airside branches at LGW. Would imagine they do at LHR too.
They should let you keep it as it's infant food...
Originally Posted by BAA Heathrow website
Q: What about jars of baby food?
A: We are required to test at least 50% of the jars of infant or baby food that you bring with you. Try to only carry what you need for the journey. The jars do not need to go into the re-sealable bag.
Full security FAQs
here
It might be worth prinitng these and taking them with you for peace of mind.
Incidentally, we flew on SQ and 9W recently, in Y, and our infant son (who was a lap passenger) got a meal on each flight...in fact on SQ his post-weaning meal was better then our daughter's and ours

! So some airlines will provide food for infants without their own seat.