Discover This Week’s FREE Samples. Freeosk is offering FREE Peanut Butter OREO Cakesters at ShopRite and The Fresh Grocer locations from 03/03/2024 through 03/09/2024. If you want to get this freebie, click on the “Get FREE” button, find a location near you, and head out to the store. Download the Freeosk app for Android or iPhone so you can redeem the samples at the Freeosk location.