Fruit Nut Crunch
["2 cans (8 1/4 oz.) crushed pineapple", "3 c. blueberries (fresh or frozen) or other berries", "1/2 c. sugar, divided", "2 Tbsp. lemon juice", "1 box (18 1/4 oz.) yellow cake mix", "1/2 c. melted butter or oleo"]
["Spread pineapple over bottom of", "lightly greased 13 x 9 x 2-inch pan.", "Toss fruit with 1/4 cup", "sugar", "and", "lemon juice. Layer over the pineapple.", "Sprinkle dry cake mix", "over fruit. Pour butter and remaining sugar over top.", "Bake at 350\u00b0", "for", "50 to 60 minutes.", "After it has baked 20 minutes, cut through to bottom", "of dish to allow juice to rise to top.", "Serves 12."]
["pineapple", "blueberries", "sugar", "lemon juice", "yellow cake", "butter"]