National Pumpkin Cheesecake Day is October 21st. Fall the is the perfect time to add pumpkin to one of America’s favorite desserts! Cheesecake is a sweet dessert that is a mixture of fresh soft cheese, cream cheese or cottage cheese, eggs and sugar on a crust made from crushed graham crackers, crushed cookies, pastry or sponge cake. Pumpkin may be added to cheesecake recipes in various ways.