How many calories are in a single piece of cheesecake?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                The average 100-gram slice of plain, commercially prepared cheesecake contains approximately 321 calories, but this number can vary drastically depending on the type and ingredients. Understanding exactly how many calories are in a single piece of cheesecake requires looking beyond just the basic recipe and considering factors like toppings, crust, and portion size.