According to Official Guinness Records,
The most expensive cheesecake sold for $4,592.42 (£3,496.44;3,955.57€) and was made by chef Raffaele Ronca (USA) at Ristorante Rafele in New York, NY, USA on October 30, 2017.The cheesecake included ingredients such as buffalo ricotta, white truffle, and gold leaves.
For a complete list of 2017 records, please visit 2017 Guinness Records in United States.