Chocolate Mayonnaise Cake - cooking recipe

Ingredients

Sift together
2 cups flour
1 cup sugar
1 teaspoon baking soda
1 1/2 teaspoons baking powder
4 tablespoons dark cocoa
Blend to gether and add to above
1 cup mayonnaise or 1 cup salad dressing
1 teaspoon vanilla extract
1 cup water

Preparation

Blend the two sets of ingredients together whisking well until a smooth batter is created.
Pour batter into a greased and floured 9 X 16 or 9 X 18 baking pan.
slightly jiggle pan to smooth out batter and to help release any large air bubbles that may be trapped in the batter.
Bake at 350 degrees in a preheated oven for 30 minutes or until a toothpick inserted in the center comes out clean.
NOTE:Low fat Mayonnaise or Salad dressing may be used in this recipe if you wish however it will change the texture of the cake but not the flavor.
My Mother has made this recipe using low fat mayo and carob powder.
I have not tried this version but she said it was good.