Prama, thats a good idea, now that we have dropped 2 feeds and having been away, there is a bit of a stock pile of EBM so that may work.
Yes she takes a sippy cup - the only problem is that she doesnt really take much EBM, but worth a try - i will mention to Mum as she has her for the next 2 days and has all the EBM.

Good thinking!