→ Main Ingredients
                    
                      
                        01 - 
                        1 tablespoon olive oil
                      
                    
                      
                        02 - 
                        4 to 6 boneless and skinless chicken breasts
                      
                    
                      
                        03 - 
                        Salt to taste
                      
                    
                      
                        04 - 
                        Ground black pepper to taste
                      
                    
                      
                        05 - 
                        1 medium onion, thinly sliced
                      
                    
                  
                    → Seasonings
                    
                      
                        06 - 
                        1 teaspoon dried oregano
                      
                    
                      
                        07 - 
                        1/2 teaspoon thyme
                      
                    
                      
                        08 - 
                        1 teaspoon dried rosemary
                      
                    
                      
                        09 - 
                        1 teaspoon dried basil
                      
                    
                  
                    → Liquids and Other Ingredients
                    
                      
                        10 - 
                        4 garlic cloves
                      
                    
                      
                        11 - 
                        1/2 cup balsamic vinegar
                      
                    
                      
                        12 - 
                        29 ounces canned diced tomatoes