I might be repeating a previous post, is she teething?
I would offer her anything you are having so she is at least getting some trials with different foods. It's understandable she wants to be included in being offered the same food but I would have thought she'd have a go at eating a bit of some of it and not reject it all, taking personal taste into consideration of course.
My LO went through a phase of needing all food to be taste tested by me before he could eat it. This came after being a great eater and he still liked a huge variety but the phase would have had him eat almost nothing if I hadn't tested his food for him. The way I saw it he was more mobile and had had a developmental leap. My theory is that with more mobility comes greater danger (wander off into the jungle get eaten by lion, wander over to bush eat poisonous berries, see what I mean?) so triggers SA and/or pickiness which actually makes their life safer. I used to laugh and say I was the King's jester testing the food for poison, serve a larger portion on DS's plate so that I could take a small sample of each item and eat it in front of him saying what the item was and that it was good, "carrots [take bite], they're good/safe". It made a huge difference to him, once I'd done it with each food he'd basically clear his plate.
May be a long shot but may be worth a try?
