1 lg. can chunk pineapple
3/4 sugar
3 tbsp. flour
1 c. grated sharp cheese
1 stick butter, melted
1 stack pkg. Ritz crackers, crushed

Pour pineapple in casserole dish. Mix together sugar, flour, and cheese. Pour over pineapple and mix. Drizzle butter over crushed crackers. Sprinkle crumb mixture over casserole and bake at 350 degrees for 25-30 minutes.