Adapted from 
                        Martha White 100th Anniversary Southern Traditions
                    
                
                
            
                
                    
                            - 
                                21 ozs
                                cherry pie filling
                            
 
                            - 
                                3/4 cup
                                self rising flour
                            
 
                            - 
                                3/4 cup
                                light brown sugar, packed
                            
 
                            - 
                                3 tbsps
                                margarine
                            
 
                            - 
                                3 tbsps
                                walnuts, chopped
                            
 
                    
                 
             
            
Preheat oven to 375. Prepare a 2-quart casserole dish with cooking spray and flour; set aside.  Pour pie filling evenly into bottom of prepared pan; set aside. In a mixing bowl, combine flour and sugar. With a pastry cutter, cut in margarine until crumbly. Fold in walnuts. Sprinkle mixture over top pie filling. Bake for 25 minutes, or until topping is browned on top.