01 - 
                        1 pound ziti or penne pasta.
                      
                    
                      
                        02 - 
                        1 tablespoon olive oil.
                      
                    
                      
                        03 - 
                        1 pound Italian sausage or ground meat.
                      
                    
                      
                        04 - 
                        1 large onion, chopped.
                      
                    
                      
                        05 - 
                        3-4 cloves garlic, chopped.
                      
                    
                      
                        06 - 
                        1 tablespoon fresh rosemary or basil.
                      
                    
                      
                        07 - 
                        1 tablespoon Italian seasoning.
                      
                    
                      
                        08 - 
                        1/2 teaspoon red pepper flakes.
                      
                    
                      
                        09 - 
                        4 cups marinara sauce.
                      
                    
                      
                        10 - 
                        8 ounces mozzarella cheese, shredded.
                      
                    
                      
                        11 - 
                        1 cup Parmesan cheese, grated.
                      
                    
                      
                        12 - 
                        1 cup ricotta cheese.
                      
                    
                      
                        13 - 
                        Salt and black pepper to taste.