1 pkg. (18 oz.) lemon cake mix
1/2 c. softened butter
2/3 c. milk
2 eggs
1 can (16 oz.) blueberries, drained

In large mixer bowl, combine cake mix and softened butter until crumbly. Measure out 1 1/4 cups and set aside.

To remaining crumbs, add milk and eggs. Beat at high speed for 2 minutes. Pour into greased and floured 9x13 inch pan.

Spoon drained blueberries atop batter. Sprinkle with reserved crumbs. Bake in preheated 350 degree oven for 35 to 45 minutes or until toothpick inserted in center comes out clean.