cheesecake is a sweet dessert consisting of one or more layers. have you ever tried any?
Yes, I have.  They are rich and fantastic.
thethickest layer consists of a mixxture of soft fresh cheese like ricotta, eggs, and sugar.  the bottom is usually of a crust or base made from crushed cookies or digestive biscuits. graham crackers is also popular. whats your faovrite type?
I really enjoy the New York Style cheese cake.  It often utilzes a heavy cream or a sour cream
in many different ways. It may be flavored by adding vanilla, spices, lemon, chocolate, pumpkin, or other flavors to the cheese layer. Additional flavors and visual appeal may be added by topping the finished pie with fruit, whipped cream, nuts, cookies, fruit sauce, chocolate syrup, or other toppings. 
History.
An ancient form of cheesecake may have been a popular dish in ancient Greece even prior to Romans' adoption of it with the conquest of Greece. The earliest attested mention of a
Cheesecake
Cheesecake is a sweet dessert consisting of one or more layers. The main, and thickest layer, consists of a mixture of soft, fresh cheese (typically cream cheese or ricotta), eggs, and sugar. If there is a bottom layer, it often consists of a crust or base made from crushed cookies (or digestive biscuits), graham crackers, pastry, or sometimes sponge cake. It may be baked or unbaked (usually refrigerated). 
Cheesecake is usually sweetened with sugar and may be flavored