→ Cookie Base
                    
                      
                        01 - 
                        1 2/3 cups (210g) regular flour
                      
                    
                      
                        02 - 
                        1/4 cup (21g) plain unsweetened cocoa powder
                      
                    
                      
                        03 - 
                        1 teaspoon baking soda
                      
                    
                      
                        04 - 
                        1/4 teaspoon salt
                      
                    
                      
                        05 - 
                        1/2 cup (113g) softened unsalted butter
                      
                    
                      
                        06 - 
                        3/4 cup (150g) light brown sugar, packed
                      
                    
                      
                        07 - 
                        1/4 cup (50g) white sugar
                      
                    
                      
                        08 - 
                        1 large egg at room temp
                      
                    
                      
                        09 - 
                        1 tablespoon regular milk or buttermilk
                      
                    
                      
                        10 - 
                        2 teaspoons vanilla extract
                      
                    
                      
                        11 - 
                        3/4 teaspoon red gel food coloring
                      
                    
                  
                    → Decoration
                    
                      
                        12 - 
                        8 ounces (226g) white chocolate, roughly chopped
                      
                    
                      
                        13 - 
                        2-3 tablespoons colorful sprinkles