Oh that must be sad :(
Well I've got tipps for u!
Cats communicate with distance from each other. If they trust each other they r starting to make a deep blinking to each other ( this is how they show that they like each other )
I don't know if u want that but u could try it before giving her food. Another tipp, give her cat toys where u can put food in it, most cats like that and if ur cat likes that, she'll connect it with u which means she'd like u too. Try this some weeks and I hope I could help u.