She was only required to discard the soy milk, one of the makeup items, and one other item (the mustard?).
I don't remember the details and cannot verify them because USA Today has removed the blog post, probably on the grounds that it encourages readers to test the limits of security screening. But shouldn't the rules about what is permitted be clear?
Is water in a frozen state permitted?
Are there any beverages or food items which have the properties of being thixotropic (solid until shaken) or rheopectic (temporarily solid after being shaken)? There's now (at least temporarily) a market...