K.W.
What day care is your daughter going to? I never had to bring the solids, just the breast milk. Keep in mind that 1 year olds and up typically have breakfast, snack, lunch, and then snack. Do you want your daughter to have snacks or just milk? My experience is that if she sees others eating a snack, she'll want one too. I used to pack healthy snacks because the daycare would serve cookies, donuts, etc... as snacks. Some things I would bring are bananas, prunes, any cut up soft fruit, avocado, Gerber little puffs. The key that I learned was that they had other children to focus on too, so the more "self-serve" the food, the better. If it wasn't self-serve, they would feed her after the other kids, and you can imagine, she didn't care much for that.
Good luck!