PITTSBURGH (CBS Local) — The Cheesecake Factory is celebrating its 40th anniversary in a delicious way.

On Wednesday, Dec. 5, the restaurant will be giving away 40,000 free slices of cheesecake as they have partnered with DoorDash for the big day.

Starting at 11:30 a.m., customers can get their free cheesecake slice through the DoorDash app by using the promo code “FREESLICE” at checkout.

The delivery app will also be offering a $0 delivery fee on all Cheesecake Factory orders from Dec. 5 to Dec. 11.

Click here for more information.