Lundberg is offering a bag of their Sweet Cakes Mini Rice Cakes for FREE for a limited time. To get this deal, claim your rebate on this site. Head to your local store to and purchase a bag of Lundberg Sweet Cakes Mini Rice Cakes. It’s easy to submit your rebate by snapping a picture of your receipt. Rebates are paid out via PayPal or Venmo. Offer is limited to 1 offer per user or while supplies last.