Heat oven to 350F.

Coat the bottom of 9-inch round baking pans with non-stick cooking spray.

Stir together chocolate cake mix, oil, eggs, and water in a bowl until mix is well and moistened.

Bake 30-35 mins or until toothpick inserted in center comes out clean. Cool 10 - 15 mins.

Remove from pans.

Cool completely.

Frost with Vanilla frosting.