01 - 
                        1 cup unsalted butter, softened.
                      
                    
                      
                        02 - 
                        ¾ cup brown sugar, packed.
                      
                    
                      
                        03 - 
                        ½ cup granulated sugar.
                      
                    
                      
                        04 - 
                        2 large eggs.
                      
                    
                      
                        05 - 
                        2 teaspoons vanilla extract.
                      
                    
                      
                        06 - 
                        2¼ cups all-purpose flour.
                      
                    
                      
                        07 - 
                        1 teaspoon baking soda.
                      
                    
                      
                        08 - 
                        1 teaspoon salt.
                      
                    
                      
                        09 - 
                        2 cups semi-sweet chocolate chips.
                      
                    
                      
                        10 - 
                        8 ounces cream cheese, softened.
                      
                    
                      
                        11 - 
                        ¼ cup granulated sugar for filling.
                      
                    
                      
                        12 - 
                        ½ teaspoon vanilla for filling.
                      
                    
                      
                        13 - 
                        1 large egg yolk.