01 - 
                        6 tablespoons unsalted butter, plus more for pan.
                      
                    
                      
                        02 - 
                        2 large eggs.
                      
                    
                      
                        03 - 
                        8 ounces dried pitted dates.
                      
                    
                      
                        04 - 
                        1 teaspoon baking soda.
                      
                    
                      
                        05 - 
                        1 cup boiling water.
                      
                    
                      
                        06 - 
                        1 1/2 cups all-purpose flour.
                      
                    
                      
                        07 - 
                        1 1/2 teaspoons baking powder.
                      
                    
                      
                        08 - 
                        1/2 teaspoon kosher salt.
                      
                    
                      
                        09 - 
                        1/2 teaspoon ground cinnamon.
                      
                    
                      
                        10 - 
                        1/4 teaspoon ground cloves.
                      
                    
                      
                        11 - 
                        1/8 teaspoon ground nutmeg.
                      
                    
                      
                        12 - 
                        3/4 cup dark brown sugar.
                      
                    
                      
                        13 - 
                        1 1/2 teaspoons vanilla extract.
                      
                    
                      
                        14 - 
                        8 tablespoons butter (for sauce).
                      
                    
                      
                        15 - 
                        1 1/4 cups dark brown sugar (for sauce).
                      
                    
                      
                        16 - 
                        1 cup heavy cream.
                      
                    
                      
                        17 - 
                        2 teaspoons vanilla extract (for sauce).
                      
                    
                      
                        18 - 
                        1/2 teaspoon kosher salt (for sauce).