1Drain pineapple and reserve 6 tablespoons of liquid.
2Place sugar and flour in a bowl, blend well.
Add cheddar cheese making sure to coat the cheese with mixture and stirring till mixed well.
Add drained pineapple chunks and mix well.
3Place mixture in a greased medium sized casserole dish. Add crushed Ritz crackers to 1 cup of melted butter, mix thoroughly. Add 6 tablespoons of reserved pineapple juice mixing well. Pour on top of casserole.
Bake in a 350 degree oven for 30 minutes. Serve immediately.