Instructions
Grease 9 x 13-inch oblong pan; heat oven to 350°. Spread pineapple; do not drain. Add blueberries. Sprinkle 3/4 cup sugar over fruit; sprinkle yellow cake mix. Melt margarine and pour over cake mix. Sprinkle chopped pecans. Sprinkle with 1/4 cup sugar. Bake for 25 minutes, then pierce with spoon so juice can come through, then bake for another 15 to 20 minutes or until done.