Re: FYI: Yoplait brand Greek yogurt.
I found an excellent Greek Style yougurt that you might want to try if it is available where you live. It is thick and creamy and can substitute for ice cream if you let it.
Cabot Greek Style Yogurt
Here is a review that I found on the Internet.
I use a lot of yogurt -- but I mostly make my own (it is easy to do) but every once in a while I buy various plain yogurts to re-start my culture, including the thicker Greek or Greek Style (Fage, Oikos, Voskos, Cabot, Dannon, etc.)