2 1/2 c. crushed pineapple, undrained
3 c. frozen blueberries
3/4 c. sugar
1 (18 1/2 oz.) pkg. dry yellow cake mix
1/2 c. butter, melted
1 c. chopped pecans

Butter a 13 x 9 inch baking pan. Add in layers, pineapple (plus juice), berries, sugar, and cake mix (dry); do not stir. Drizzle melted butter over cake; mix and sprinkle with pecans. Bake at 350 degrees for about 45 minutes.