1 yellow cake mix (generic does fine)
1 can crushed pineapple
1 can blueberries
1/2 c. nuts
1 1/4 stick butter

Chop nuts and mix with pineapple. Pour pineapple and blueberries (with juice) into pan. Mix slightly. Sprinkle cake mix over top. Cut butter into thin slices over cake mix. Bake at 350 degrees until brown on top. Serve slightly warm or cool with whipped cream.