Many Kroger and Kroger affiliates have Yoplait Simplait on sale for $0.60 per cup. If your store doubles coupons, you can use the $0.30/1 Yoplait Simplait coupon here (and here and from the 10/07 General Mills insert) to get these for free after the coupon.
Thanks, Common Sense With Money!
(Note: The link in this post is my referral link. Read my disclosure policy here.)