I made some Yummy cheesecake! The swirly stuff is Nutella I folded in. I noticed there was still some Nutella residue on the knife after i pushed the Nutella in so I swirled it around on the surface. Did I say it's yummy?
Here is the link for anyone who wants to give it a try
Food Wishes Recipes - New York Style Cheesecake Recipe - Sunshine Cheesecake Recipe - YouTube