Pineapple Au Gratin
["3/4 c. sugar", "2 Tbsp. flour", "1 (20 oz.) can crushed pineapple, drained", "1 c. shredded Cheddar cheese", "1 sleeve Ritz crackers", "1/2 stick margarine"]
["Butter sides and bottom of 9 x 13-inch dish. Mix sugar, flour and pineapple; pour into dish. Add cheese; crumble crackers on top. Pour melted margarine over top. Bake at 350\u00b0 for 20 to 30 minutes, until crumbs are lightly browned."]
["sugar", "flour", "pineapple", "Cheddar cheese", "crackers", "margarine"]