Blueberry Crunch Dessert
["1 (15 oz.) crushed pineapple (undrained)", "3 c. blueberries", "1/4 c. sugar", "3/4 c. sugar", "1 box yellow cake mix", "1 stick margarine, melted", "1 1/2 c. chopped pecans"]
["Pour undrained pineapple in bottom of 9 x 13-inch baking dish. Spread blueberries over pineapple. Sprinkle 3/4 cup of sugar over this mixture. Sprinkle the box of dry cake mix on top of the sugar. Next, drizzle the melted margarine over the cake mix. Then sprinkle the pecans over this. Finally sprinkle the 1/4 cup sugar over this. Bake at 350\u00b0 for 25 minutes. Then stick with fork all over and bake for another 15 minutes longer."]
["pineapple", "blueberries", "sugar", "sugar", "yellow cake mix", "margarine", "pecans"]