Adapted from 
                        Bran Idea Book
                    
                
                
            
                
                    
                            - 
                                   1 1/2 cups
                                bran flakes cereal
                            
- 
                                   4 ozs
                                cheddar cheese, shredded
                            
- 
                                   6 1/2 ozs
                                tuna in water, drained and flaked
                            
- 
                                  10 1/2 ozs
                                low-fat cream of mushroom soup
                            
- 
                                     1/3 cup
                                fat-free milk
                            
- 
                                   2 ozs
                                egg noodles, cooked and drained
                            
- 
                                     1/2 cup
                                frozen peas
                            
- 
                                     1/2 cup
                                celery
                            
- 
                                   2 ozs
                                pimientos in jar, drained
                            
 
             
            
Prepare a 1 3/4-quart casserole dish with cooking spray; set aside. Set aside one cup cereal for topping. In a mixing bowl, combine remaining cereal, half the cheese, tuna, soup, and milk. Mix well. Add cooked noodles, peas, celery, and pimientos. Mix until all is combined. Spread tuna mixture evenly into prepared dish. Sprinkle with reserved cereal and remaining cheese.  Chill for one hour. Preheat oven to 350. Bake for 25 minutes, or until heated through.