Blueberry Crumble

1 (21 ounce) can blueberry pie filling

1 teaspoon lemon juice

1 (18.25 ounce) package white cake mix

½ cup chopped pecans

½ cup butter, melted

Preheat oven to 350 degrees F (175 degrees C).

Spread pie filling into a 9x13 inch baking dish. Sprinkle evenly with lemon juice.

In a large bowl, stir together cake mix, nuts, and melted butter until mixture is crumbly. Sprinkle over pie filling.

Bake in preheated oven for 25 to 30 minutes, until top is light brown.