Preheat oven to 350 degrees.

Spray 9x13" pan with cooking spray.

Beat cake mix, evaporated milk and butter until combined. Will be thick and sticky.

Divide batter in half. Press half of batter in the bottom of the pan.

Bake 8 minutes.

Remove from oven, place Rolo candies caramel side down on top.

Drop remaining batter on top of Rolos in teaspoon size amounts.

Bake 20 minutes or until top begins to golden.

Cool before cutting.