01 - 
                        2 tablespoons vegetable oil.
                      
                    
                      
                        02 - 
                        1 pound beef steak (flank, sirloin, or ribeye), thinly sliced.
                      
                    
                      
                        03 - 
                        1 onion, sliced.
                      
                    
                      
                        04 - 
                        1 teaspoon cornstarch.
                      
                    
                      
                        05 - 
                        1 red bell pepper, thinly sliced.
                      
                    
                      
                        06 - 
                        1 green bell pepper, thinly sliced.
                      
                    
                      
                        07 - 
                        2 tablespoons soy sauce.
                      
                    
                      
                        08 - 
                        1 garlic clove, minced.
                      
                    
                      
                        09 - 
                        2 teaspoons ginger, finely grated.
                      
                    
                      
                        10 - 
                        1 tablespoon oyster sauce.
                      
                    
                      
                        11 - 
                        1/4 cup water or beef broth.
                      
                    
                      
                        12 - 
                        Sprinkle of salt and pepper.