Sernik
Cheesecake is a dessert made with a soft fresh cheese , eggs, and sugar. It may have a crust or base made from crushed cookies (or digestive biscuits), graham crackers, pastry, or sometimes sponge cake. Cheesecake may be baked or unbaked, and is usually served cold. Vanilla, spices, lemon, chocolate, pumpkin, or other flavors may be added to the main cheese layer; Additional flavors and visual appeal may be added by topping the finished dessert with fruit, whipped cream, nuts, cookies, fruit sauce, chocolate syrup, or other ingredients.
Source: Wikipedia
Recipes

Sernik - Traditional Polish Cheesecake Recipe | 196 flavors
What is sernik? Sernik is the name of the traditional Polish cheesecake made from a drained farmer's cheese known as twaróg. What the the origin of cheesecake? The cheesecake is certainly very popular in Poland but it is also very popular in many countries...

Szybki sernik. Z tym przepisem poradzi sobie każdy - Onet Gotowanie
Szybki sernik to doskonały pomysł na przygotowanie smacznego deseru dosłownie w kilka chwil. To także świetna alternatywa dla tradycyjnych serników, które choć są bardzo pyszne niestety też dość pracochłonne. Szybki sernik sprawdzi się zarówno podczas...