Blueberry Crunch - cooking recipe

Ingredients

1 large can crushed pineapple (don't drain)
2 or 3 c. frozen blueberries (3 c. fresh)
3/4 c. sugar
1 box yellow cake mix
2 sticks margarine or butter, melted
1/4 c. sugar

Preparation

Butter a 9 x 13-inch baking dish.
Spread in layers the pineapple and blueberries.
Sprinkle 3/4 cup sugar on blueberries, then dry yellow cake mix, then melted butter or margarine. Sprinkle 1/4 cup sugar on top.
Cook at 325\u00b0 for 35 to 40 minutes until brown on top.
Serve warm or cold.