Pineapple Cheese Casserole

Name: Pineapple Cheese Casserole
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American, Southern
Ingredients: 2 (20-ounce) cans pineapple chunks, drained with juice reserved; 1 cup sugar; 6 tablespoons all-purpose flour; 2 cups shredded sharp cheddar cheese; 1 sleeve buttery round crackers, crushed ((about 1 3/4 cups crushed) I used Ritz. ); 1/4 cup unsalted butter, melted