Ingredients
3/4 cup all-purpose flour3/4 cup packed brown sugar1-1/4 teaspoons ground cinnamon1/4 teaspoon salt1/4 cup cold butter, cubed1/2 cup chopped pecans1 package white cake mix (regular size)1-1/4 cups fresh or frozen blueberries
Preparation
In a large bowl, combine the flour, brown sugar, cinnamon and salt; cut in butter until crumbly. Stir in pecans. Sprinkle half of the mixture into a greased 13x9-in. baking dish.
Prepare cake mix batter according to package directions; spread over pecan mixture. Top with the blueberries and remaining pecan mixture; swirl with a knife.
Bake at 350° for 45-50 minutes or until a toothpick inserted in the center comes out clean. Serve warm.