hazel:
I'd say yes, as long as it's not sitting around for ages in between. But might be worth getting your mum to only heat up small batches.
This follows on to my next question. A will be 9 weeks old - How much milk does a fairly big 9 week old take? I know its a bit of a - how long is a piece of string question but a rough idea if anyone knows?
thanks *** cat - It seems to be a bible on here which is why i looked there. Also kellymom says it can be put back in a fridge then reheated. Does anyone do this?