That's pretty much what I've been doing. I'm leaving the pellets in her cage all day, and all she has done is throw them all over the floor. She seems quite interested in what *I'm* eating, so in the mornings I've been giving her a plate of fresh chop served on the kitchen table. I sprinkle a few seeds on top and crush up a Nutriberry to get her interested. I also have these special healthy bird crackers that I pretend to be eating, and break up and let her eat off the table. She likes those well enough. This morning I think I saw her eat a couple of bites of brown rice out of the mash/chop so I guess that's progress, too!
In the evenings, I let her have a little seed on her tree, sprinkled over the pellets in the bowl.
I'm wondering if I need to try a different brand of pellets. I got Harrison's because I was told it was the best for galahs, but I tried one and they taste like cardboard. :\ Can't blame her for not being that interested. Her previous owner said she would reluctantly eat Roudybush. She has also picked at Zupreem cockatiel pellets but those contain sugar so I'm reluctant to get her addicted.