1 (18.25 ounce) package white cake mix
3/4 cup Water Crust
2/3 cup Melted Chocolate Fudge Layer 1 (3.7 ounce) packages instant vanilla pudding mix
4 cups buttermilk
Preheat oven to 375 degrees F (190 degrees C). Grease and flour a 9x13 inch pan.
In a medium bowl, stir together the cake mix and water. Stir in the buttermilk. Spread evenly into the prepared pan.
Bake for 35 to 40 minutes in the preheated oven, until a toothpick inserted into the center comes out clean. Cool on wire rack.