1 can (21 ounces) apple pie filling
3/4 cup unsweetened crushed pineapple, drained
1 package (12 ounces) frozen unsweetened blueberries
1/2 cup sugar
1 package white cake mix (regular size)
2/3 cup butter, melted
1 cup chopped walnuts
1/2 cup sliced almonds
Preheat oven to 350°. Mix pie filling and pineapple in a greased 13×9-in. baking dish until combined. Toss blueberries with sugar; spoon over pie filling mixture. Sprinkle with cake mix; drizzle with butter. Top with walnuts and almonds (do not stir).
Bake until golden brown and bubbly, 45-55 minutes. Serve warm.