01 - 
                        1 stick unsalted butter.
                      
                    
                      
                        02 - 
                        1 cup granulated sugar.
                      
                    
                      
                        03 - 
                        2 large eggs.
                      
                    
                      
                        04 - 
                        1 teaspoon vanilla extract.
                      
                    
                      
                        05 - 
                        2 teaspoons coffee extract.
                      
                    
                      
                        06 - 
                        1/3 cup unsweetened cocoa powder.
                      
                    
                      
                        07 - 
                        1/2 cup all-purpose flour.
                      
                    
                      
                        08 - 
                        1/4 teaspoon salt.
                      
                    
                      
                        09 - 
                        1/4 teaspoon baking powder.
                      
                    
                      
                        10 - 
                        For Frosting: 1.5 teaspoons instant coffee.
                      
                    
                      
                        11 - 
                        For Frosting: 2-4 tablespoons heavy cream.
                      
                    
                      
                        12 - 
                        For Frosting: 1/3 cup unsalted butter.
                      
                    
                      
                        13 - 
                        For Frosting: 2 cups powdered sugar.