Thanks so much for the replies!
I did switch her food all at once. Didn't realize it should have been done gradually. I'm a first time dog owner

I will try the Blue Buffalo food...isn't it a refrigerated food?
I got to thinking....I have been giving her cottage cheese instead of yogurt for the last couple of days, which I'm sure hasn't helped. I got more yogurt today, so no more cottage cheese.
Thanks Bonny, I will try the green beans. I hope she likes them more than the pumpkin.
Being a total novice dog owner, it's nice to know I can come here for advice....thanks everyone!!