Preheat oven to 350 F degrees.
In a large mixing bowl, combine the pineapple, flour, brown sugar, and shredded cheese.
Transfer the mixture to a 9x9" baking dish. YOu may also use a 9" or 10" pie dish.
In a medium bowl, mix together the melted butter and crushed crackers until evenly coated.
Sprinkle the cracker mixture over the top of the pinapple-cheese mixture.
Bake for 30 minutes.
Serve warm.
Enjoy this classic Southern recipe!