Blueberry Crunch - cooking recipe

Ingredients

1 (20 oz.) can crushed pineapple (undrained)
3 c. blueberries (fresh or frozen)
1/4 c. sugar (optional)
1 box yellow cake mix (dry from box)
2 sticks melted margarine or butter
1 c. chopped pecans
1/4 c. sugar, sprinkled over top of layers

Preparation

Butter a 9 x 13-inch baking dish.
Spread ingredients in layers in order given in dish.
Bake at 350\u00b0 for 40 to 50 minutes, until it tests done and is brown on top.
If the berries are frozen when put in baking dish, the baking time will be increased.