1 (20 oz.) can crushed pineapple, undrained
3/4 c. sugar
2 sticks butter
1 c. pecans, chopped
3 c. fresh or frozen blueberries
1/4 c. sugar
1 box yellow cake mix

Butter a 9 x 13 inch baking dish. Spread in layers pineapple, blueberries, sugar sprinkled over blueberries, dry yellow cake mix. Pour melted butter on top of cake mix. Sprinkle with pecans and 1/4 cup sugar. Bake at 325 degrees for 35 to 40 minutes until brown on top. Serve with Cool Whip.