01 - 
                        4 middle size eggs, room temperature
                      
                    
                      
                        02 - 
                        120 g cake flour, 1 US cup (sifted flour)
                      
                    
                      
                        03 - 
                        80 g castor sugar, around 6 tablespoons+2 teaspoon
                      
                    
                      
                        04 - 
                        1 tbsp. oil, neutral oil without strong flavor
                      
                    
                      
                        05 - 
                        warm water if in super cold days, for speeding up the whipping process, not required in summer days