Pineapple Casserole in Crock Pot

40 oz. pineapple chunks, (two 20-oz. cans) drained BUT save a half cup1/2 cup pineapple juice (from above cans)
2 cups shredded medium cheddar cheese, (an 8 oz. bag)
1/3 cup white sugar
1/3 cup brown sugar
6 Tbsp. all purpose flour
25 Ritz crackers, crushed (WAIT TO ADD)


Grease crock pot. Add all items except crackers and mix in crock pot. Cook on high 2 1/2 hours. Add crushed crackers to top and serve.