1 pkg. Pillsbury Plus lemon cake mix
1/2 c. butter, softened
2/3 c. milk
2 eggs
1 (16 oz.) can blueberries, drained (not pie mix)

Grease and flour a 9x13 pan. In large bowl combine cake mix and butter until crumbly. Reserve 1 1/4 cups crumbs for topping.

To remaining crumbs add milk and eggs; beat 2 minutes at highest speed. Pour into prepared pan. Arrange blueberries evenly over batter. Sprinkle with reserved crumbs. Bake at 350 degrees for 35-45 minutes or until toothpick inserted in center comes out clean. Cool completely. If desired, serve with whipped cream. Serves 12. Refrigerate.