→ Cookie Base
                    
                      
                        01 - 
                        2 tablespoons (28g) soft unsalted butter at room temp
                      
                    
                      
                        02 - 
                        2 tablespoons (25g) white sugar
                      
                    
                      
                        03 - 
                        2 tablespoons (25g) dark sugar
                      
                    
                      
                        04 - 
                        2 tablespoons (30ml) whisked egg
                      
                    
                      
                        05 - 
                        1/2 teaspoon natural vanilla extract
                      
                    
                      
                        06 - 
                        1/4 cup (31g) regular flour
                      
                    
                      
                        07 - 
                        2 tablespoons (10g) plain cocoa powder
                      
                    
                      
                        08 - 
                        1/2 teaspoon baking soda
                      
                    
                      
                        09 - 
                        1/4 teaspoon table salt
                      
                    
                  
                    → Mix-Ins and Decoration
                    
                      
                        10 - 
                        1/4 cup (55g) dark chocolate chips with extra 1 tablespoon for the top
                      
                    
                      
                        11 - 
                        2 teaspoons festive Valentine's decorations (if desired)