On their website:
Every $25 gets you 2 free cheesecake slices, excellent deal!
Free slices Redeemable on a future visit 1/1/19 - 3/31/19 for 2 complimentary slices of cheesecake or layer cake. One card per guest. Must be present to redeem. Valid in the United States and Puerto Rico only.
Deal ends today 11/26!