01 - 
                        2¾ cups flour.
                      
                    
                      
                        02 - 
                        1 teaspoon baking soda.
                      
                    
                      
                        03 - 
                        ½ teaspoon baking powder.
                      
                    
                      
                        04 - 
                        1 cup butter, softened.
                      
                    
                      
                        05 - 
                        1¼ cups sugar.
                      
                    
                      
                        06 - 
                        1 egg.
                      
                    
                      
                        07 - 
                        1 teaspoon vanilla extract.
                      
                    
                      
                        08 - 
                        6 tablespoons butter, softened.
                      
                    
                      
                        09 - 
                        1 cup sugar, for filling.
                      
                    
                      
                        10 - 
                        2 eggs plus 2 egg yolks.
                      
                    
                      
                        11 - 
                        ⅔ cup lemon juice.
                      
                    
                      
                        12 - 
                        1 lemon, zested.
                      
                    
                      
                        13 - 
                        2 tablespoons powdered sugar.