In medium bowl beat cake mix milk cream cheese vanilla and eggs with electric mixer on low speed 30 seconds scraping bowl constantly then on medium speed 2 minutes.
Checkered marble cake pan set recipe.
Bake 30 35 minutes or until toothpick inserted in center comes out clean.
The only thing i did differently was that i took other users advice and used additional 1 4 cup sugar and 1 4 cup oil.
Divide batter in half.
Spread a thin layer of frosting on top.
Follow filling instructions for 2nd and 3rd pan.
Place 2 of the cake pans on a middle rack in the oven and the third cake pan on the lower rack.
For example i used 3 cups of flour 3 teaspoons baking powder etc.
Place a 8 chocolate cake ring on top of the first cake layer then place a 6 vanilla ring inside followed by a 4 chocolate ring then the 2 vanilla round.
Follow instructions in pan set for filling sections shown below for convenient filling place batter in disposable decorating bag and remove ring.
Each pan will use 3 dividers for four sections of batter check to be certain pieces fit snugly in pans.
Since i was using a standard 9x13 cake pan i increased the recipe by half.
Don t place it directly below one of the cakes or they ll bake unevenly.
Grease and flour pans then position dividers equally across pan tape to fit securely.
Remove from pan and cool completely.
Bake for 20 minutes.
Cool in pan 10 minutes.
The lower cake should be in between the two cakes above it.