1 (#2) can crushed pineapple
1 can instant blueberry pie filling
1 box yellow cake mix
1 c. chopped pecans
1 stick butter

Spread pineapple with juice in a 13x9 inch pan. Spoon blueberry filling on top. Sprinkle dry cake mix over and spread pecans and dot with butter. Do not stir. Bake at 350 degrees for 1 hour.