drain pineapple, reserve juice.

combine sugar and flour.

add 3 tablespoons of pineapple juice plus,the pineapples to the sugar.

mix well over low heat, allow to thicken.

add in the cheddar cheese.

crush the ritz and add the butter.

pour pineapple into the baking dish and top with cracker mixture.

bake at 350* for 30 min.