Apple Blueberry Crunch - cooking recipe

Ingredients

1 (21 ounce) can apple pie filling (may use sugar free)
1 (14 ounce) package frozen blueberries
1 cup sugar (turbinado works great)
1 (18 1/4 ounce) package white cake mix
1/2 cup light margarine, melted (may sub butter)
1 cup toasted walnuts

Preparation

Preheat oven to 350 degrees.
Spread apple pie filling on bottom of 9 x13 baking dish.
In a bowl, mix together blueberries and 3/4 cup sugar; spoon over apple pie filling in pan.
Sprinkle cake mix evenly over the fruit then drizzle with melted butter.
Sprinkle with walnuts and remaining 1/4 cup sugar.
Bake 45-50 minutes, or until golden and bubbly.