large can crushed pineapple
2 c. fresh/frozen blueberries
2/3 c. sugar
1 box yellow cake mix
1 stick butter
1 c. chopped pecans

Grease and flour a 9 x 13 glass dish. Spread undrained pineapple on bottom; add layer of blueberries and sugar. Sprinkle cake mix over this. Drizzle melted butter. Top with pecans.

Bake at 350°F for 35 to 40 minutes.

Bake 25 minutes; pierce, return and finish baking.