Blueberry Bars

2 cups oatmeal
2 cups flour
1 cup brown sugar
3/4 cup butter
1 teaspoon baking powder
1 can blueberry pie filling

Combine oatmeal, flour, brown sugar, butter and baking powder. Mix well. Grease a 9 x 13-inch baking pan. Spread 1/2 dough in bottom of pan and pat down. Pour blueberry pie filling over dough. Pour rest of dough over blueberry filling. Bake at 350 degrees F for 25 minutes.