1 lg. can crushed pineapple, don't drain
1 c. sugar - makes this very sweet - can omit
1 qt. blueberries
1 box yellow cake mix

Layer ingredients as listed, sprinkling cake mix over top. Drizzle 1 stick butter (melted) over cake mix. Can add 1 cup chopped pecans-walnuts on top if desired. Mix these with 1/4 cup sugar. Bake at 350 degrees until top is brown.