Frozen Yogurt

One of our children's favorite treats is an expensive organic frozen yogurt tube. I was searching to find if you can freeze yogurt cups and according to Stonyfield Yogurt, you can. Go to your store and stock up on the organic yogurt that is ready to "expire" and freeze it. Leave the frozen organic yogurt on the counter for 15 minutes to defrost, or send it to school in your child's lunch box. It will keep in the freezer for 3-6 months.

Here is what they say on their website:

Does freezing yogurt destroy or alter the effectiveness of the live cultures?
You can freeze a cup of yogurt. A cup of yogurt that has been frozen and thawed will have a different look and texture than fresh yogurt. The cultures become dormant when frozen, but once thawed either in the refrigerator or by your body heat when ingested; they will become live and active once again. There will be a few cultures that do die, but there are so many billions in our products, that it is truly insignificant.

I also found this about their sell by date:

Is it safe to eat your (or any) yogurt after the date on the lid?
The date on the lid is a suggested sell-by date. It is not the date that the yogurt will “expire” or “go bad”. Up until this date, we feel that our yogurt will look and taste its best. It can be perfectly okay to eat yogurt after the sell-by date. Just use your judgment. If the yogurt looks, smells, and tastes good, and there are no visible signs of mold, it's okay to eat.